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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.
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.
A calcium–aluminium-rich inclusion or Ca–Al-rich inclusion (CAI) is a submillimeter- to centimeter-sized light-colored calcium- and aluminium-rich inclusion found in carbonaceous chondrite meteorites. The four CAIs that have been dated using the Pb-Pb chronometer yield a weighted mean age of 4567.30 ± 0.16 Myr.
CURP number is now used in all Civil Registry individual records (birth and death certificates) and certified copies thereof. Although primarily intended to substitute for a series of registration numbers (IMSS, RFC, IFE), CURP has failed to replace any of these, which continue to use their own code-generation protocols.
The following inclusion types can also be found in aluminium alloys: alumina needles (Al 2 O 3), nitrides (AlN), iron oxides (FeO), manganese oxides (MnO), fluorides (Na 3 AlF 6, NaF, CaF 2, …), aluminium borides (AlB 2, AlB 12), borocarbides (Al 4 C 4 B). Bone ash (Ca 3 (PO 4) 2) sometimes added to patch cracks in the trough can be found as ...
The decay level scheme for 26 Al and 26m Al to 26 Mg. [8] [10]Cosmogenic aluminium-26 was first described in studies of the Moon and meteorites. Meteorite fragments, after departure from their parent bodies, are exposed to intense cosmic-ray bombardment during their travel through space, causing substantial 26 Al production.
At the 2011 GPF in Mexico's Riviera Maya, AFI members collectively adopted the Maya Declaration, a global initiative for responsible and sustainable financial inclusion that aims to reduce poverty and ensure financial stability for the benefit of all. It is a statement of common principles regarding the development of financial inclusion policy.
The Voting Credential (Spanish: Credencial para Votar), also known as Elector Credential (Spanish: Credencial de Elector), INE Card (Spanish: Tarjeta INE; formerly IFE Card, Spanish: Tarjeta IFE), [1] and Mexican Voter ID Card (Spanish: Tarjeta de Identificación de Votación Mexicana), is an official document issued by the National Electoral Institute (INE) that allows Mexican citizens of ...