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  2. Federal Taxpayer Registry - Wikipedia

    en.wikipedia.org/wiki/Federal_Taxpayer_Registry

    The Federal Taxpayer Registry (Spanish: Registro Federal de Contribuyentes, RFC), also known as RFC number, is a tax identification number required by any physical or natural person or moral or juridical person (legal entity) in Mexico to carry out any lawful economic activity for which they are obliged to pay taxes, with some exceptions.

  3. Servicio de Administración Tributaria - Wikipedia

    en.wikipedia.org/wiki/Servicio_de_Administración...

    On 15 December 1995, the Law of the Tax Administration Service (Ley del Servicio de Administración Tributaria) was published in the Official Journal of the Federation, through which the new bureau was established, endowing it with the highest fiscal authority.

  4. Unique Population Registry Code - Wikipedia

    en.wikipedia.org/wiki/Unique_Population_Registry...

    The Clave Única de Registro de Población (translated into English as Unique Population Registry Code or else as Personal ID Code Number) (abbreviated CURP) is a unique identity code for both citizens and residents of Mexico. Each CURP code is a unique alphanumeric 18-character string intended to prevent duplicate entries.

  5. ISO 639-1 - Wikipedia

    en.wikipedia.org/wiki/ISO_639-1

    The current version is RFC 5646 from September 2009. Infoterm (International Information Center for Terminology) is the registration authority for ISO 639-1 codes. New ISO 639-1 codes are not added if an ISO 639-2 "set 2" three-letter code exists, so systems that use ISO 639-1 and 639-2 codes, with 639-1 codes preferred, do not have to change ...

  6. Uniform Resource Identifier - Wikipedia

    en.wikipedia.org/wiki/Uniform_Resource_Identifier

    The new RFC changed the meaning of U in URI from "Universal" to "Uniform." In December 1999, RFC 2732 [ 12 ] provided a minor update to RFC 2396, allowing URIs to accommodate IPv6 addresses. A number of shortcomings discovered in the two specifications led to a community effort, coordinated by RFC 2396 co-author Roy Fielding , that culminated ...

  7. RFC - Wikipedia

    en.wikipedia.org/wiki/RFC

    Richmond F.C., an English rugby union club Richmond Football Club , a team in the AFL, the top-level Australian rules football league Romulus F.C. , an English semi-professional football club

  8. List of RFCs - Wikipedia

    en.wikipedia.org/wiki/List_of_RFCs

    This is a partial list of RFCs (request for comments memoranda). A Request for Comments (RFC) is a publication in a series from the principal technical development and standards-setting bodies for the Internet, most prominently the Internet Engineering Task Force (IETF).

  9. Request for Comments - Wikipedia

    en.wikipedia.org/wiki/Request_for_Comments

    The RFC series contains three sub-series for IETF RFCs: BCP, FYI, and STD. Best Current Practice (BCP) is a sub-series of mandatory IETF RFCs not on standards track. For Your Information (FYI) is a sub-series of informational RFCs promoted by the IETF as specified in RFC 1150 (FYI 1). In 2011, RFC 6360 obsoleted FYI 1 and concluded this sub-series.