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Reference translation. The legal and commercial terms are based on Chilean legislation as published by the Library of the National Congress of Chile and were checked against UNTERM, the United Nations terminology database, which includes ECLAC’s terminology, where it records the term, and against the legislation of the United States for English and of Brazil for Portuguese. These terms may vary from country to country: information in languages other than Spanish is provided for reference only and should be verified by specialized translators in each country. If the versions differ, the Spanish text prevails.

The National Roll No. of a mining concession

The National Roll No. (rol nacional) is the number with which SERNAGEOMIN identifies each mining concession in the roll of concessions in force that the law requires it to keep. It is also used by the General Treasury (TGR), to collect the annual fee, and by the courts, in auction lists. With it, a concession can be found without relying on its name, which may be repeated or written in different ways.

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What the law says

SERNAGEOMIN keeps “the roll of all mining concessions in force”, together with the annual fee lists sent to it by the TGR and the other information needed to identify the ground covered by concessions (Mining Code, art. 159). It also keeps the National Cadastre of Mining Concessions and a National Register with their UTM coordinates, based on the copies of registry entries sent to it by the Mining Registrars, or Conservadores de Minas (arts. 106 and 241). The survey plan must state the number corresponding to the pertenencia in the National Roll of Mining Concessions (Mining Code Regulations, art. 38). In auctions for unpaid annual fees, all concessions covered by the same roll number are auctioned as a single lot (art. 148).

How to read it

The National Roll No. has ten characters and is usually written in three groups separated by hyphens, in the form 12345-6789-0:

  • The first five digits used to correspond to a commune code, but today they cannot be used to infer the location: some communes changed their code, and new roll numbers are assigned in national series, such as 20010 and 20011, which do not designate a place.
  • The next four form a sequential number, which in some roll numbers begins with a letter.
  • The last character is a check digit, which may be a number or the letter K.

The hyphens are not part of the value, and some documents omit the leading zero: 51234567-0 may correspond to 05123-4567-0. Some SERNAGEOMIN records use provisional numbers in a different form until the definitive roll number is assigned.

What the roll number identifies, and what it does not

  • Roll number and type go together. The same number may exist as an exploration concession and as an exploitation concession; they are different concessions and may have different names. Always identify the concession by its roll number, its type and its name.
  • It is not the Case No. The Case No. (rol de la causa) is the number the court assigns to the case file, such as V-123-2025. Nor should it be confused with a property’s tax roll number (rol de avalúo) or with the holder’s RUT (Chilean tax ID).
  • It does not prove ownership. The holder shown in the roll or in the latest publication may not be the current owner. To confirm this, request a certificate of current title from the relevant Mining Registrar.
  • Its status is SERNAGEOMIN data. A roll number shown as removed does not prove that the registry entries with the Registrar have been canceled, and a pedimento or manifestación in its early stages may not yet have a roll number assigned.

How to search for a concession in PMD

Open the map search and choose the Concessions tab:

  1. Choose the criterion. “Concession / National Roll No.” searches the name and the roll number; “Holder” searches the holder’s name.
  2. Type at least two characters and choose the match. “Contains” finds the text anywhere; “Starts with” searches from the beginning; and “Exact” requires the full name or holder, or the full roll number with its check digit.
  3. Type the roll number as you have it. With “Contains”, the full roll number or part of it works, with or without hyphens and with or without the check digit: “03203-2274”, “032032274” or “2274”.
  4. Narrow it down by region. Choose All, North, Central, South or individual regions. The search covers entire regions, even if they are not visible on the map, and your selection is saved in your browser.

Results follow the concession layers and statuses turned on in the map, and with “Historical concessions” turned on, the historical cadastre is also searched. Names are standardized so that a concession written in different ways can be found: “SANTA ROSA 1 AL 10” and “SANTA ROSA 1/10” give the same result, and the table keeps the original name. The table shows concession, type, status, National Roll No., holder, Case No. and court; select the name to locate the concession on the map. If there are too many matches, the list is limited and you should make the text more specific. With an active subscription, you can export the results in KMZ, DXF, SHP or XLSX; data on holders who are individuals is exported in accordance with the privacy policy.

The Places and Coordinates tabs locate mines, facilities and place names, or convert coordinates and show them on the map. In the auction monitor, you can also search by case, court or National Roll No.

The roll number in the concession record

With an active subscription, the concession record shows the National Roll No. and, when you select it, the information associated with that roll number and type in the available roll data, such as the concession name, the court and Case No., expiration, pertenencias, area, location and roll status. Holder data is shown in accordance with PMD’s privacy policy. The annual fee lookup shows the roll number and its check digit separately, as the TGR’s official lookup requires them, and lets you copy them. Monitoring alerts you when PMD detects that a roll number has been assigned to a concession, removed or restored.

Main legal framework: the Mining Code, Law No. 18,248, and its Regulations, Supreme Decree No. 1 of 1986, according to the text published by the Library of the National Congress of Chile. The description of the roll number format is based on SERNAGEOMIN public data analyzed by PMD. Review: October 23, 2026.