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To check a mining project’s permit status in Mexico, run two separate searches: verify the mining concession or assignment through the Secretaría de Economía’s Registro Público de Minería (RPM) and SIAM, then check environmental filings in SEMARNAT’s Consulta tu trámite. You need the concession or assignment title number for the RPM search and a SEMARNAT bitácora number or project key for the environmental search.
Save the identifiers, the exact status shown, the date and time, and every resolution or notification you can download. The online RPM card is a useful screening record, but the Secretaría de Economía says it is informational and sin valor oficial (without official value). For an investment, legal or litigation decision, obtain certified registry documents under the Mining Law.
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What does a mining permit-status check in Mexico actually cover?
A Mexican mining project does not have one universal online permit record. The checks answer different questions:
- Mining rights: Does the concession or assignment title appear in the public mining registry, what is its recorded validity, and which acts, contracts or agreements are listed?
- Mining administration: What applications, resolutions, notifications or payment determinations appear in the Secretaría de Economía’s Sistema Integral de Administración Minera (SIAM)?
- Environmental filings: What does SEMARNAT show for the project’s bitácora number or project key, and which environmental subject categories have filings?
Finding a concession record does not establish that environmental filings are complete. Conversely, a SEMARNAT entry does not prove that the applicant holds a valid mining title over the footprint it describes. Treat the systems as complementary searches and reconcile their identifiers, locations and dates.
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What information do I need before searching?
Ask the project owner, filing representative or source documents for identifiers rather than relying on a project name. Names can be abbreviated, translated, reused or shared by several projects.
| Check | Identifier required | What to collect |
|---|---|---|
| RPM card | Mining concession or assignment title number | Title number exactly as issued; project or lot name if shown |
| SIAM | Application or administrative reference, where available | Application, resolution, notification or payment-determination number |
| SEMARNAT | Bitácora number or project key | Number, project name, applicant and environmental subject |
If a source supplies only a company name, municipality or mine name, request the missing number before drawing a conclusion. Keep the document that supplied each identifier so you can show how the search term was obtained.
How do I check a mining concession in the RPM card?
Use the Secretaría de Economía’s online Tarjeta del Registro Público de Minería as a first-pass lookup. The official guide explains that the card presents general concession data and the recorded current situation.
- Open the RPM card portal and enter the concession or assignment title number. Use the number itself; a project name alone is not the required search key.
- Confirm that the returned record corresponds to the project you are reviewing. Compare the lot name, location and other identifying information with the owner’s documents.
- Record the displayed surface area and validity information. Note the exact wording and any dates rather than paraphrasing the result.
- Review the acts, contracts or agreements listed on the card. These entries may be important when assessing transfers, recorded arrangements or other matters affecting the title’s history.
- Download or print the result when the portal permits it, and capture the URL, date and time of the search in your audit note.
What does SIAM add to the RPM search?
SIAM is the administrative-status complement to the RPM card. Open the Sistema Integral de Administración Minera and look for the project’s applications and related administrative records.
Depending on the reference supplied by the applicant, SIAM can show information about:
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- Mining applications and their administrative stage;
- Resolutions issued in the matter;
- Notifications associated with the proceeding; and
- Payment determinations.
Use the application, resolution or notification number from the project file when the system requests it. Record the status exactly as displayed, including whether a record is associated with a resolution or notification. The SIAM forms area can help identify the form or reference used in a filing, but it does not replace the status search.
Compare SIAM’s applicant, title number, location and dates with the RPM card. A mismatch is a reason to pause and obtain clarification, not proof by itself that a filing is invalid; records can concern different titles or different stages of the same project.
How do I look up a mining project’s SEMARNAT application?
Check environmental filings separately through SEMARNAT’s Consulta tu trámite. Search with the project’s bitácora number or project key.
- Obtain the bitácora number or project key from the project owner, filing representative or public filing document.
- Enter the identifier in Consulta tu trámite and open the matching record.
- Copy the project name, applicant, filing identifier, current status and any resolution or notification number exactly as displayed.
- Save available PDFs or other downloadable records and note the date and time of access.
- Check whether the project has more than one environmental subject. SEMARNAT’s procedures include separate categories for environmental impact, forestry or soil matters, air quality, hazardous waste and federal zones, among others.
A single environmental-impact entry should not be treated as a complete environmental-permitting inventory. Ask which subject categories apply to the project and search each relevant identifier. The SEMARNAT procedures directory provides the agency’s published procedure context.
How can I tell whether the project’s records refer to the same operation?
Reconcile the records instead of treating matching names as proof. Build a cross-check using the following fields:
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| Field | RPM | SIAM | SEMARNAT | What to compare |
|---|---|---|---|---|
| Identifier | Concession or assignment title number | Application, resolution or notification reference | Bitácora number or project key | Numbers cited in the owner’s documents |
| Name | Lot or concession name | Applicant or proceeding name | Project and applicant name | Spelling, abbreviations and corporate names |
| Location | Registered location and surface area | Location in the proceeding | Project location and footprint | Municipality, state, coordinates or described area |
| Dates | Validity and recorded dates | Application, resolution or notification dates | Filing and decision dates | Chronology and currentness |
| Outcome | Current situation and listed acts | Administrative status | Environmental status or resolution | Exact wording, not a summary |
If the claimed mine footprint is larger than the registered lot, or the environmental project name points to a different applicant, ask for the title history, assignment documents or an explanation of the project boundary. Preserve both the original record and your comparison notes.
What should I do when a search returns no result?
A blank or unsuccessful search is a prompt to verify the identifier and scope, not a definitive finding that no right or permit exists.
- Check transcription: Re-enter the title number, bitácora number or project key exactly, including punctuation or leading characters supplied in the source document.
- Confirm the system: A concession title belongs in the RPM search; an administrative proceeding may be in SIAM; an environmental filing belongs in SEMARNAT’s consultation.
- Ask for the underlying document: Request the title, filing receipt, resolution or notification that generated the number.
- Test for scope differences: A project may use a corporate name while the record uses an applicant, assignee or lot name. Search only with identifiers the portal accepts rather than guessing names.
- Record the failed attempt: Save the identifier, portal, date and displayed message. This prevents a later reviewer from mistaking an unrecorded search for a confirmed absence.
Do not replace a missing result with a screenshot from an unrelated search or with a statement that the project is unpermitted. Escalate unresolved discrepancies to the project’s Mexican permitting counsel or the relevant agency contact.
Is the online RPM card legally sufficient?
No. The Secretaría de Economía’s own card warns that it is informational and without official value. It is appropriate for screening and for identifying the title and recorded data to investigate further.
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The Mining Law provides for public electronic consultation of the RPM and allows a person to request certifications at their own cost. The law gives registry inscriptions evidentiary significance for concession rights and related acts. When a conclusion must support an investment approval, transaction, dispute or court submission, request certified inscriptions or documents rather than relying only on the online card.
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When should you obtain certified records?
- Before acquiring, financing or accepting security over a mining project;
- When the validity period, assignee or recorded act is disputed;
- When the RPM card, SIAM record and project documents do not agree;
- When a regulator, court, lender or investor requires legally reliable evidence; or
- When you need to establish the contents of the registry as of a particular date.
Keep the certification request, payment receipt, certified response and the date on which the online screening was performed. A certified record answers a different question from a live portal display: it is formal evidence of the registry information supplied through the certification process.
How should I document the check for an investment or compliance file?
Create one audit note per identifier. A concise record should contain:
- Project and corporate names as supplied;
- Concession or assignment title number;
- SIAM application, resolution, notification or payment reference;
- SEMARNAT bitácora number or project key;
- Portal name and complete URL;
- Date and time checked, with time zone;
- Exact status text and every displayed date;
- Lot name, location, surface area and validity shown by RPM;
- Acts, contracts or agreements listed on the RPM card;
- Environmental subject category searched in SEMARNAT;
- Downloaded PDFs, CSV files or screenshots, with filenames; and
- Open questions, mismatches and the person responsible for follow-up.
Use immutable filenames such as project-title-RPM-2026-11-14.pdf and preserve the original download. Screenshots are useful context, but they should not be represented as certified records.
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How do I compare two Mexican mining projects?
Apply the same identifiers and date of review to both projects. A fair comparison covers six areas:
- Title found and validity: Is the concession or assignment located in the RPM, and what validity period does the card display?
- Recorded acts: What acts, contracts or agreements are listed, and do the project documents address them?
- SIAM stage: What applications, resolutions, notifications or payment determinations are visible?
- Environmental filings: Which SEMARNAT identifiers and subject categories exist, and what outcomes or notices are recorded?
- Footprint consistency: Does the claimed project area align with the registered lot and the environmental filing?
- Evidence quality: Has either project obtained certified RPM inscriptions or documents, or is the assessment based only on an informational card?
Put the comparison in a dated matrix and cite the underlying record for every cell. Do not rank a project solely because one portal shows a more recent update; first determine whether the projects are at the same administrative stage and are being measured against the same scope.
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What are the most common mistakes in a permit-status check?
- Searching only by project name: Names are not reliable substitutes for title, bitácora or project-key identifiers.
- Confusing a concession with an environmental authorization: They are recorded by different agencies and answer different legal questions.
- Reading the RPM card as a certificate: The card expressly has no official value.
- Ignoring administrative records: A title lookup without SIAM can miss applications, resolutions, notifications or payment determinations.
- Checking only one environmental category: Forestry or soil, air-quality, hazardous-waste and federal-zone matters can be separate from an environmental-impact filing.
- Failing to preserve the date: Portal information can change; a status without a timestamp cannot show what was displayed at the decision point.
- Overstating a blank result: A failed search may reflect a wrong identifier, a different system or a name mismatch.
- Using uncertified material for a formal conclusion: Obtain certified RPM records when the result must carry legal or evidentiary weight.
What is the fastest defensible workflow?
For a preliminary screen, complete the following sequence and stop only after every identifier has a recorded result or an explained gap:
- Collect the title number, SIAM references and SEMARNAT bitácora number or project key.
- Run the RPM card search and record title data, validity, location, surface area and listed acts.
- Run SIAM and save application, resolution, notification and payment information.
- Run SEMARNAT’s consultation for the supplied project key or bitácora number.
- Search each relevant environmental subject category rather than assuming one filing covers all matters.
- Reconcile names, applicants, locations, footprints and dates across the three systems.
- Mark unresolved discrepancies and request the underlying document.
- Order certified RPM inscriptions or documents if the conclusion will be used legally, financially or in litigation.
- Package the audit note with URLs, timestamps and downloaded records.
This workflow gives you a documented screening result while keeping the critical distinction between an informational portal display and certified legal evidence.
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Frequently Asked Questions
Can I check a Mexican mining concession with only the mine’s name?
Not reliably. The RPM card is designed around the concession or assignment title number, so ask the owner or representative for that identifier and use the name only to confirm that the returned record matches the project.
Does a SEMARNAT project entry prove that construction or extraction may begin?
No. It shows the status of the environmental filing identified by its bitácora number or project key. You still need to verify the mining title and any other applicable environmental subject filings, and obtain professional advice on whether the recorded outcome authorizes the activity proposed.
How often should a permit-status search be repeated?
Repeat it whenever a transaction, financing decision or major project milestone depends on current status, and record the search date each time. A dated audit trail lets reviewers distinguish a historical status from the portal’s current display.
What should I request from a project owner when portal records conflict?
Request the concession or assignment title, the relevant SIAM resolution or notification, the SEMARNAT filing receipt and any certified RPM documents. Ask the owner to explain differences in applicant name, project footprint, title number and dates in writing.
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