Step-by-Step Guide to Buying Property in Tourist Areas

The Legal Architecture of Tourist Property Acquisitions in Quintana Roo

Acquiring real estate along Mexico’s Caribbean corridor—spanning Cancún, Puerto Morelos, Playa del Carmen, Tulum, and the intervening Riviera Maya—requires navigating an overlapping matrix of constitutional restrictions, foreign investment regulations, environmental federal law, Quintana Roo state legislation, and the agrarian legacy of former ejidal lands. No standard transaction template adequately addresses this intersection. What follows is a technical roadmap for investors, developers, and individual buyers who require not merely a process description but a framework for identifying and managing the legal risks that define this market.

Phase 1: Structuring and Acquisition Capacity

The Constitutional Framework

Every acquisition begins with Article 27 of the Constitución Política de los Estados Unidos Mexicanos, which establishes two foundational constraints operative in Quintana Roo. First, it vests original ownership of land, water, and subsoil resources in the Nation. Second, paragraphs I and VI prohibit foreigners from acquiring direct ownership of real property within the zona restringida: the strip of 100 kilometers along international borders and 50 kilometers along Mexico’s coastlines. Given that the entirety of the Riviera Maya falls within the 50-kilometer coastal restricted zone, this provision governs virtually every international transaction in the region.

Mexican nationals and Mexican-incorporated entities with exclusively Mexican shareholders may acquire fee simple title directly. Foreign individuals and entities—including Mexican companies with any foreign shareholding unless structured under the Calvo Clause protocol—must channel their acquisition through one of two instruments: a fideicomiso authorized under the Ley de Inversión Extranjera, or a Mexican business entity holding the property for non-residential commercial purposes as permitted by Article 11 of the LIE.

Choosing the Vehicle: Fideicomiso vs. Corporate Ownership

The Ley de Inversión Extranjera (LIE), published in the Diario Oficial de la Federación on March 27, 1993, and subject to successive amendments, governs both instruments. Articles 11 through 14 establish the trust mechanism: a Mexican credit institution authorized by the Comisión Nacional Bancaria y de Valores (CNBV) serves as fiduciario, holding legal title for a renewable term of 50 years, while the foreign party holds beneficial use and enjoyment as fideicomisario. The Reglamento de la Ley de Inversión Extranjera governs the administrative process, including mandatory notification to the Secretaría de Economía through the RNIE within 60 business days of executing the trust deed, as required by Article 17 of the LIE.

A Mexican sociedad anónima or sociedad de responsabilidad limitada incorporating the Calvo Clause in its constitutive instrument may hold property in the restricted zone for non-residential commercial purposes. This structure is standard for hotel projects, commercial developments, and large-scale rental portfolios but is legally inappropriate for residential acquisitions intended for personal use by foreign individuals, where the fideicomiso remains the prescribed vehicle. Conflating the two structures creates title voidability risk that surfaces most damagingly in subsequent sales or mortgage enforcement.

Practitioners relying on the corporate ownership structure must also attend to the foreign investment authorization threshold. Admission of foreign shareholders above the thresholds established by LIE Article 9 requires prior authorization from the Secretaría de Economía; the Calvo Clause alone does not override the sectoral foreign investment caps established by the LIE’s Annex, and practitioners must verify that the intended commercial use falls within an unrestricted or conditionally authorized activity class before relying on the corporate ownership structure. The Calvo Clause admission is not self-executing as to foreign shareholding levels that trigger the Article 9 screening requirement, and failure to obtain the requisite authorization exposes the structure to nullity risk independently of the title validity question.

Phase 2: Due Diligence

Title Investigation and Chain of Ownership

A comprehensive cadena dominical—the uninterrupted sequence of recorded title instruments—is the foundation of any acquisition. Under Article 3007 of the Código Civil Federal, applied subsidiarily where the Código Civil del Estado de Quintana Roo is silent, only registered instruments are enforceable against third parties. A certificate of no encumbrances (certificado de libertad de gravámenes) covering a minimum of 20 years from the Registro Público de la Propiedad y del Comercio del Estado de Quintana Roo is the baseline requirement. Where the underlying parcel derives from a public grant, an agrarian conversion, or a government alienation within that period, the investigation must extend further back to the originating instrument.

Agrarian Origin and Ejidal Land

A material portion of the Riviera Maya was historically ejidal land. The 1992 constitutional reform to Article 27 and the resulting Ley Agraria (DOF, February 26, 1992) enabled dominio pleno: the conversion of ejidal parcels into private property through a formal assembly resolution meeting the quorum requirements of Articles 23 and 24 of the Ley Agraria, individual parcel adoption under Articles 81 through 83, PROCEDE or FANAR certification, and inscription in the Registro Agrario Nacional under Article 84 of the same law. Conversions effected without strict procedural compliance—defective assembly quorum, inclusion of communal lands (bienes comunales), or absent RAN registration—are void, not merely voidable. The First Chamber of the SCJN has consistently held, in interpretive criteria consistent with those extractable from the Semanario Judicial de la Federación under the search parameters of ejidal dominio pleno procedural validity and constitutional Article 27 reform, that transactions involving ejidal land transferred without a complete and regularly executed dominio pleno process are void of legal effect and not susceptible to regularization through prescription; definitive tesis identification for citation in specific proceedings should be confirmed through the Semanario Judicial de la Federación digital search platform using these parameters. Buyers must obtain from the RAN a current inscription certificate and confirm that no agrarian restitution proceedings are active before the Tribunales Unitarios Agrarios of the region.

ZOFEMAT: Federal Maritime Zone

Properties with coastal frontage require special verification against the limits of the Zona Federal Marítimo Terrestre (ZOFEMAT), defined by Article 119 of the Ley General de Bienes Nacionales (LGBN, DOF May 20, 2004, as amended) as the 20-meter strip landward of the annual high tide line along beaches and the shores of navigable inland bodies of water. ZOFEMAT is inalienable federal public property; private use requires a concession from SEMARNAT, governed by Articles 126 through 133 of the LGBN, with fees updated annually by the Ley Federal de Derechos.

A purchase instrument that purports to include ZOFEMAT within the private parcel surface is partially void as to the overlapping zone, regardless of how the seller’s prior deed described the boundaries. Buyers must request a ZOFEMAT boundary delimitation (survey map) from SEMARNAT’s Regional Office in Cancún and verify whether any existing concession is validly transferable to the incoming buyer or requires a new application. Consistent interpretive criteria of the Tribunales Colegiados de Circuito with jurisdiction over Quintana Roo matters, extractable from the Semanario Judicial de la Federación under the search parameters of ZOFEMAT enforcement, federal maritime zone compensability, and bona fide acquisition, hold that improvements constructed on federal maritime zone land without a concession are not compensable upon government recovery of the zone, meaning buyers who inherit this defect absorb the full value of unauthorized infrastructure; practitioners requiring citation in specific proceedings should verify the applicable tesis identification through the Semanario Judicial de la Federación digital platform.

Urban Planning and Land Use Certification

The General Law on Human Settlements, Territorial Organization and Urban Development (LGAHOTDU, DOF November 28, 2016) requires each municipality to maintain binding land-use assignments. Buyers must obtain a certificate of land use and zoning from the relevant municipal authority—Solidaridad (Playa del Carmen), Tulum, Benito Juárez (Cancún), or Isla Mujeres—confirming that the intended use is authorized for the specific parcel. Articles 96 and 97 of the LGAHOTDU empower municipal authorities to order demolition of unauthorized construction without compensation, and this authority has been actively exercised in the Tulum corridor.

Quintana Roo’s Territorial Ecological Planning Program (POET), administered jointly by SEMARNAT and the state government, operates as a second land-use filter overlaying the municipal plan. POET classifications—sustainable use, preservation, restoration—impose independent restrictions on density, building height, green area ratios, and permitted activities that are not always harmonized with municipal zoning. Interpretive conflicts between these two regimes are common and resolve only through administrative proceedings, making it essential to obtain specialist analysis of both instruments before signing a promissory agreement.

Phase 3: Environmental Due Diligence

Environmental compliance in Quintana Roo is among the most complex in the region, owing to the extraordinary ecological sensitivity of the Caribbean coast and the multilayered federal, state, and municipal jurisdiction framework.

Environmental Impact Assessment

Articles 28 through 35 of the General Law on Ecological Balance and Environmental Protection (LGEEPA, DOF January 28, 1988, as amended) require an Environmental Impact Statement (MIA) for any project likely to cause significant environmental effects. Articles 30 through 35 establish the review procedure, public consultation requirements, resolution timelines, and conditional authorization framework; Article 35, in particular, governs SEMARNAT’s resolution authority and the conditions it may impose, making it the operative provision for enforcement and compliance monitoring throughout project implementation. In Quintana Roo’s tourist zones, common MIA triggers include land clearing (change of land use in forest land), coastal works, any infrastructure within a Natural Protected Area (ANP) or its buffer zone, and water management systems affecting the karst aquifer.

Quintana Roo hosts multiple federal ANPs materially affecting property use: the Sian Ka’an Biosphere Reserve (Decreto DOF, January 20, 1986), the Arrecifes de Cozumel National Park, and the Yum Balam Flora and Fauna Protection Area. Properties within or adjacent to ANP buffer zones require coordination with CONANP and, where forest land-use change is involved, a Prior Justificatory Study under Articles 93 through 100 of the General Law on Sustainable Forest Development (LGDFS, DOF April 5, 2022).

Cenotes, Aquifer, and Water Resources

The karst topography of Quintana Roo—characterized by the Aquifer System of the Yucatan Peninsula, a network of cenotes and underground rivers forming one of the world’s largest subterranean freshwater systems—creates obligations under the National Waters Law (LAN, DOF December 1, 1992, as amended) and NOM-014-CONAGUA. Any excavation or well drilling requires CONAGUA authorization; proximity to cenotes triggers Quintana Roo state regulations establishing minimum construction setbacks and prohibiting certain activities regardless of private title. NOM-059-SEMARNAT-2010 applies where endangered or threatened species habitats may be disturbed.

Mangrove Protection: A Strict Liability Risk

NOM-022-SEMARNAT-2003 prohibits removal, filling, or alteration of mangrove ecosystems. The LGEEPA, as amended in 2007, explicitly incorporated mangroves into its protection scheme at the federal level. The SCJN has upheld SEMARNAT enforcement orders against buyers who acquired property without knowledge of prior illegal clearing conducted by sellers or developers, reasoning that environmental public order norms are not displaced by bona fide third-party acquisition; consistent interpretive criteria to this effect are attributable to the SCJN’s environmental jurisprudence line, extractable from the Semanario Judicial de la Federación under the search parameters of LGEEPA mangrove provisions, public order environmental norms, and bona fide purchaser defense, and practitioners requiring a specific tesis identification for citation in proceedings should verify the current registry numbers through the Semanario Judicial de la Federación digital platform. This strict-liability exposure makes pre-closing environmental site assessment, including drone and satellite imagery review, non-negotiable for any coastal acquisition.

Phase 4: The Fideicomiso Process in Practice

Once due diligence is cleared and the acquisition structure confirmed, the foreign buyer proceeds through the following sequence:

1. Execution of a Promise of Title Transfer Trust Agreement by the seller, the buyer-to-be-beneficiary, and the trustee bank, specifying price, escrow conditions, and trust terms. This instrument, though a preliminary agreement, must be carefully drafted to avoid inadvertently creating a sale obligation that triggers premature ISR withholding obligations.
2. Selection of a CNBV-licensed trustee institution from those actively operating in Quintana Roo (BBVA México, Scotiabank México, HSBC México, and Monexcb are among the principal operators), and negotiation of the annual trust fee structure.
3. Preparation by the notary of the Title Transfer Trust Deed, incorporating the chain of title, technical survey (descriptive report), tax calculations, payment receipts, and full trust terms including the 50-year initial term and renewal mechanism.
4. Execution before the Notario Público by all parties: seller, trustee bank representative, and buyer-beneficiary.
5. Payment of applicable taxes (ISABI, ISR withholding) and notarial fees per the Quintana Roo Notarial Fee Schedule.
6. Electronic submission of the deed to the Public Registry of Property and Commerce of the State of Quintana Roo through the Electronic Registry System.
7. Filing of the RNIE notification with the Ministry of Economy within 60 business days of deed execution as required by Article 17 of the LIE.

The 50-year trust term is established by LIE Article 13 and is renewable for successive periods of equal duration. The renewal mechanism is further addressed by the Reglamento de la Ley de Inversión Extranjera, which specifies that renewal applications should be filed before expiry to avoid lapse; however, no statutory minimum advance notice period is codified either in the LIE or its Reglamento, leaving the operational instruction incomplete as a matter of positive law. As a matter of best practice, renewal applications should be filed no later than 12 months before expiry to allow adequate time for Secretaría de Economía processing, given the administrative load and processing variability that characterize that authority. Buyers should also verify whether the specific trust deed imposes a contractual renewal notification obligation on the trustee bank—some trust agreements include such a provision, creating an enforceable obligation on the fiduciario to alert the beneficiary in advance of the expiry date—and should seek legal confirmation that any such obligation is operative and has not lapsed through amendment or waiver. Administrative inertia in managing renewal is a well-documented risk: trusts that lapse without timely renewal enter a correction process that entails additional fees, potential bank liability, and temporary uncertainty as to beneficial title.

Phase 5: Fiscal Obligations at Closing

The notary functions as a withholding agent and tax administrator at closing. Principal fiscal obligations include the following:

• ISR on the seller’s capital gain, withheld by the notary under Articles 126 and 160 of the Ley del Impuesto sobre la Renta (LISR, DOF January 1, 2014, as amended). Foreign sellers may elect between a flat 25% withholding on gross proceeds or 35% on net gain calculated on the basis of a certified appraisal and documented acquisition cost.
• Impuesto sobre Adquisición de Bienes Inmuebles (ISABI), a state and municipal tax levied on the buyer at rates that vary by Quintana Roo municipality—generally between 2% and 3% of the higher of transaction value or fiscal cadastral value.
• IVA at 16% under the Ley del Impuesto al Valor Agregado (LIVA): generally exempt for residential real property sales under Article 9 of the LIVA, but applicable to commercial land and developments that do not qualify for that exemption. The distinction between residential and non-residential use is frequently disputed on pre-development land sales and requires advance SAT ruling in complex transactions.
• Notarial fees computed under the Arancel Notarial del Estado de Quintana Roo, on a regressive scale tied to transaction value.

Phase 6: Registry Inscription and Title Perfection

Inscription in the Registro Público de la Propiedad y del Comercio del Estado de Quintana Roo perfects the buyer’s title as against third parties. Under Article 3007 of the Código Civil Federal and the equivalent provision of the Código Civil del Estado de Quintana Roo, a duly formalized deed that remains unregistered is valid between parties but cannot be invoked against third parties who subsequently acquire rights over the same property and register first. Current processing times in the Cancún and Playa del Carmen registries range from 30 to 90 business days depending on docket volume—a delay that investors must factor into financing drawdown timelines and occupancy projections.

Upon registration, the buyer receives a folio real—the unique registry identifier linking all successive transactions, encumbrances, and administrative restrictions to a single electronic record. Discrepancies between the folio’s recorded surface area or permitted use and the actual parcel characteristics generate complications that impair future sales, mortgage registrations, and permit applications, and require formal rectification proceedings before the registry.

Comparative Framework: Costa Rica and the Dominican Republic

Two Caribbean-basin jurisdictions provide instructive contrast for international investors operating across multiple markets.

Costa Rica regulates coastal land under the Ley sobre la Zona Marítimo Terrestre (Ley 6043 de 1977, as amended), which declares the first 50 meters from the high tide line inalienable public domain and designates the next 150 meters as a municipal concession zone. Foreign nationals who have not held Costa Rican residency for at least five years cannot hold concessions directly; the market standard is acquisition through a sociedad anónima with domestic and foreign shareholders. This corporate vehicle lacks the institutional oversight and clear beneficial ownership structure of the Mexican fideicomiso: the trustee bank in Mexico operates under CNBV supervision, performing its own due diligence and bearing regulatory accountability, which provides a layer of protection absent from a bilaterally privately-held Costa Rican corporation. From a transactional risk management perspective, Mexico’s fideicomiso model is structurally superior, despite the additional administrative compliance layer it imposes.

The Dominican Republic presents the most permissive framework in the region: foreign nationals may acquire real property directly, without restriction as to location, under the general Real Property Registry Law (Law 108-05). CONFOTUR (Council for Tourism Promotion), authorized under Law 158-01 as amended, grants qualifying tourism investments a 15-year exemption from income tax, ITBIS, and real property transfer taxes. While the absence of a restricted zone reduces transaction friction, investors accustomed to the Dominican system operating in Mexico frequently underestimate the constitutional dimension of Article 27, treating ZOFEMAT and fideicomiso requirements as administrative formalities rather than structural validity conditions. Transactions structured in reliance on that assumption have resulted in voidable acquisitions and significant losses.

Doctrinal Analysis and Critical Legal Gaps

Three doctrinal perspectives illuminate recurring problems in Quintana Roo tourist acquisitions. Ignacio Galindo Garfias, in his foundational treatment of Mexican civil property law, emphasized that the transfer of ownership is not complete until registry inscription, meaning buyers who take possession before registration bear the full risk of intervening encumbrances or insolvency proceedings against the seller. This risk is materially elevated in Quintana Roo, where developers routinely pre-sell condominium units in projects where the underlying land trust has not yet been constituted or where the Condominium Ownership Regime remains unregistered.

In Quintana Roo, the condominium regime is governed by the Condominium Law of the State of Quintana Roo, and its constitution requires registration in both the Public Property Registry and municipal authorization under the LGAHOTDU. The absence of a registered condominium deed (constitutive deed of the condominium regime) means that individual unit deeds lack a valid legal foundation, rendering them unregistrable and their purported transfer void as to third parties under Article 3007 of the Federal Civil Code. This is not merely an anecdotal risk: it is a compliance requirement grounded in the Condominium Law of the State of Quintana Roo and the LGAHOTDU, and its breach produces the same third-party unenforceability consequence that unregistered primary deeds produce under general registry law. Buyers of presale condominium units must verify that the constitutive deed of the condominium ownership regime has been executed, duly authorized, and registered before relying on any individual unit deed as a valid instrument of title.

Bernardo Pérez Fernández del Castillo’s analysis of Mexican notarial law underscores the notary’s role as a public function officer with personal liability for certifying a deed’s legal sufficiency—a responsibility that sophisticated buyers should leverage by engaging notaries with demonstrable real estate transaction volume and no dependency relationship with the developer. Jorge Mario Magallón Ibarra’s institutional analysis of property rights explains why ejidal irregularities carry absolute nullity rather than mere annulment: the impairment touches the original constitutional assignment of land and cannot be ratified by subsequent private agreement, a point that has produced significant capital losses for buyers relying solely on developer representations regarding land status.

The current framework presents four systemic legal gaps that practitioners and legislators have not yet adequately addressed. First, there is no mandatory environmental insurance requirement for tourism developments in ecologically sensitive zones, leaving buyers of failed or environmentally non-compliant projects without a solvent counterparty for remediation costs. Second, no unified national ZOFEMAT cadastre exists with real-time public access, compelling buyers to rely on ad hoc SEMARNAT surveys that may be outdated by subsequent coastal erosion or tidal shifts—an accelerating problem given regional climate patterns. Third, the coexistence of municipal urban development plans and federal POET classifications without a mandatory harmonization procedure generates interpretive conflicts that are resolved only through administrative proceedings before SEMARNAT or the Secretaría de Desarrollo Agrario, Territorial y Urbano (SEDATU), at significant time and cost to the investor. Fourth, the Federal Consumer Protection Law (LFPC, Articles 73–76) governs residential real estate pre-sale contracts for consumer-class buyers, but institutional and sophisticated investors contracting above certain thresholds fall outside PROFECO’s compulsory jurisdiction without a specialized real estate regulatory body—a gap that leaves large-scale presale fraud with limited administrative remedies and forces investors into commercial arbitration or civil litigation.

Post-Acquisition Compliance

Ownership in a Quintana Roo tourist zone generates ongoing legal obligations that investors frequently underestimate in their initial financial modeling. Fideicomiso beneficiaries pay annual trustee fees—typically between USD 500 and USD 1,500 depending on the bank and property value—and must comply with RNIE annual reporting requirements where cumulative foreign investment thresholds are met. Short-term rental operations through digital platforms trigger obligations under Articles 113-A and 113-B of the LISR, as introduced by the DOF December 8, 2019 reform and operative from June 1, 2020, governing withholding by digital intermediary platforms and the direct declaration alternative for individual platform-based rental operators. These provisions replaced the prior framework applicable to individual platform operators following the 2022 fiscal reform that restructured the simplified trust regime (RESICO), and investors must apply Articles 113-A and 113-B rather than the superseded Article 111-A when structuring their compliance framework for short-term rental income. Platform operators are further subject to SAT withholding at source and the lodging tax in Quintana Roo at 3% of the room rate under the applicable provisions of the State Tax Law, alongside potential registration requirements with the State Tourism Secretariat.

The operational Tren Maya corridor has accelerated municipal plan updates and generated new infrastructure easements across the Tulum and Felipe Carrillo Puerto corridors. Buyers acquiring land in proximity to the railway alignment should commission a specialized legal opinion on recorded and pending corridor restrictions, expropriation risk assessments, and FONATUR’s regulatory overlay—factors that are now material to land valuation and development feasibility throughout the southern Riviera Maya.

IBG Legal advises foreign investors, developers, and institutional buyers on real estate acquisitions, foreign investment structuring, environmental due diligence, and regulatory compliance in Mexico’s coastal and tourist markets, with particular depth in Quintana Roo’s constitutional, agrarian, and environmental law intersections. Headquartered in Cancún with offices in Mexico City and Querétaro. The firm also represents clients in administrative and judicial proceedings arising from ZOFEMAT enforcement, environmental liability, and ejidal title disputes. For specialized advice on any aspect of acquiring or developing property in Quintana Roo or the Riviera Maya, contact us at ibg.legal.

Sources and References

Legislation

• Political Constitution of the United Mexican States, Article 27 (paragraphs I, VI, and VII), as amended through 2024
• Foreign Investment Law (LIE), DOF March 27, 1993, as amended; Articles 1, 9, 11, 12, 13, 14, 17
• Regulations of the Foreign Investment Law and the National Registry of Foreign Investments, DOF September 8, 1998, as amended
• Federal Civil Code; Articles 749–791 (property regime), Articles 2224–2240 (nullity), Article 3007 (registry effects against third parties)
• Civil Code of the State of Quintana Roo
• Agrarian Law, DOF February 26, 1992, as amended; Articles 23, 24 (assembly quorum and competence), Articles 81–84 (dominio pleno individual parcel adoption and RAN inscription procedure)
• General Law on National Assets (LGBN), DOF May 20, 2004, as amended; Articles 119–133 (ZOFEMAT regime)
• General Law on Ecological Equilibrium and Environmental Protection (LGEEPA), DOF January 28, 1988, as amended (including 2007 mangrove amendment); Articles 28–35 (MIA requirements, review procedure, public consultation, resolution timelines, and SEMARNAT resolution authority under Article 35), Articles 44–76 (Natural Protected Areas)
• General Law on Sustainable Forest Development (LGDFS), DOF April 5, 2022; Articles 93–100 (forest land-use change)
• National Water Law (LAN), DOF December 1, 1992, as amended; Articles 3, 18, 29 (CONAGUA concession authority)
• General Law on Human Settlements, Territorial Planning and Urban Development (LGAHOTDU), DOF November 28, 2016; Articles 59, 62, 96, 97
• Income Tax Law (LISR), DOF January 1, 2014, as amended; Articles 113-A and 113-B (as introduced by DOF December 8, 2019 reform, operative from June 1, 2020, governing digital platform withholding and direct declaration alternative for individual platform-based rental operators), Articles 126, 160
• Value Added Tax Law (LIVA); Article 9 (real property transfer exemptions)
• Notarial Law of the State of Quintana Roo
• Public Property Registry Law of the State of Quintana Roo
• Condominium Law of the State of Quintana Roo (condominium regime constitution, registration requirements, and escritura constitutiva del régimen)
• Fiscal Law of the State of Quintana Roo (lodging tax)
• Federal Consumer Protection Law; Articles 73–76 (real property consumer transactions)
• Federal Rights Law (ZOFEMAT concession fees, updated annually in the annual fiscal reform package)
• NOM-022-SEMARNAT-2003 (mangrove ecosystem protection)
• NOM-059-SEMARNAT-2010 (species at risk)
• NOM-014-CONAGUA (water well drilling and aquifer protection)
• Decree declaring the Flora and Fauna Protection Area Sian Ka’an, DOF January 20, 1986
• Territorial Ecological Planning Program of the State of Quintana Roo (POET), published by SEMARNAT and Government of the State of Quintana Roo

Case Law and Judicial Criteria

• Supreme Court of Justice of the Nation, First Chamber: consistent interpretive criteria holding that real property transactions in the restricted zone executed without a duly constituted and authorized fideicomiso are void of legal effect pursuant to Article 27 of the Constitution read in conjunction with Articles 11–14 of the LIE; these holdings treat the fideicomiso requirement as a matter of public order, not susceptible to ratification by the parties. Consistent interpretive criteria of the First Chamber, extractable from the Semanario Judicial de la Federación under the search parameters of restricted zone acquisition, fideicomiso public order, and LIE Articles 11–14 constitutional validity; definitive tesis identification by registro number should be confirmed through the Semanario Judicial de la Federación digital search platform before citation in judicial or administrative proceedings.
• Supreme Court of Justice of the Nation: constitutional validity criteria on the 1992 ejidal dominio pleno reform, confirming that procedurally defective conversions do not vest private title and are not cured by subsequent possession or registry inscription. Consistent interpretive criteria of the SCJN, extractable from the Semanario Judicial de la Federación under the search parameters of ejidal dominio pleno procedural validity, Article 27 constitutional reform, and Agrarian Law Articles 81–84; definitive tesis registro numbers should be verified through the Semanario Judicial de la Federación digital platform before use in proceedings.
• Collegiate Circuit Courts (circuits with jurisdiction over Quintana Roo matters): consistent interpretive criteria on ZOFEMAT enforcement holding that improvements constructed on federal maritime zone land without a valid SEMARNAT concession are not compensable upon government recovery of the zone, and that bona fide acquisition of overlying private parcels does not extinguish federal title to ZOFEMAT. Extractable from the Semanario Judicial de la Federación under the search parameters of ZOFEMAT, federal maritime zone compensability, and bona fide purchaser defense; definitive tesis identification pending confirmation through the Semanario Judicial de la Federación digital platform.
• Supreme Court of Justice of the Nation: environmental jurisprudence confirming that LGEEPA mangrove protection provisions constitute public order norms enforceable against bona fide purchasers, where the illegally cleared vegetation was removed by a prior owner or developer before the sale. Consistent interpretive criteria of the SCJN, extractable from the Semanario Judicial de la Federación under the search parameters of LGEEPA mangrove provisions, public order environmental norms, and bona fide purchaser defense; definitive tesis registro numbers should be verified through the Semanario Judicial de la Federación digital platform before citation in specific proceedings.

Doctrine

• Galindo Garfias, Ignacio. Civil Law: First Course. 27th ed. México: Porrúa, 2015. (Property transfer mechanics and registry perfection effects)
• Magallón Ibarra, Jorge Mario. Institutions of Civil Law. Vol. IV. México: Porrúa, 1998. (Real property rights, ejidal law, and absolute nullity doctrine)
• Pérez Fernández del Castillo, Bernardo. Registry Law. 10th ed. México: Porrúa, 2012. (Notarial law, registry function, and title perfection)
• Witker, Jorge, and Leonel Pereznieto Castro. Legal Framework of Mexico’s Foreign Trade. México: UNAM, 2007. (Foreign investment law framework and restricted zone analysis)
• Quintana Adriano, Elvia Arcelia. Commercial Law Science: Theory, Doctrine and Institutions. México: Porrúa, 2004. (Corporate structuring vehicles for foreign investment in Mexico)

Comparative Law

• Costa Rica: Law on the Maritime-Land Zone, Law 6043 of 1977, as amended (coastal concession regime and foreign ownership restrictions)
• Dominican Republic: Real Estate Registry Law No. 108-05; Tourism Promotion Law No. 158-01 as amended; Law No. 171-07 on Special Incentives for Pensioners and Rentiers (direct foreign property ownership framework and CONFOTUR incentive regime)

Official Sources and Registries

• Ministry of Economy — National Registry of Foreign Investments (RNIE): www.gob.mx/se
• Ministry of Environment and Natural Resources (SEMARNAT): www.gob.mx/semarnat
• Public Registry of Property and Commerce of the State of Quintana Roo: www.registropublico.qroo.gob.mx
• National Water Commission (CONAGUA): www.gob.mx/conagua
• National Agricultural Registry (RAN): www.gob.mx/ran
• National Commission of Natural Protected Areas (CONANP): www.gob.mx/conanp
• Tax Administration Service (SAT): www.sat.gob.mx
• National Banking and Securities Commission (CNBV) — Trust institution registry: www.gob.mx/cnbv
• Semanario Judicial de la Federación — Digital search platform for tesis jurisprudencial and tesis aislada identification: sjf2.scjn.gob.mx