The Natural Persons Number or CPF is a document provided by the Brazilian Internal Revenue Service that the foreigner may request. This document is used for opening bank accounts or purchasing mobile phone lines.
The registration for this document can be done in an accredited agency: Banco do Brasil, Caixa Econômica Federal or Correios (Post Office); fee: R$ 5.70. (maximum value to be charged, as of August 2012). It may also be requested at the Brazilian diplomatic representations abroad free of charge.
The requester shall be required to present an identification document valid in his/her home country, or yet: RNE/CIE (National Foreigner Number / Foreigner's Identification Card), or Passport, or RNE Protocol which contains his/her personal information.
The requester shall receive a card with his/her number, in the event he/she needs the CPF number quickly. Just access the site www.receita.fazenda.gov.br and consult “citizen”, “Consult CPF request process”. The number shall become available in up to 48 hours after the request. For proof of Registration Status: Citizen/CPF Registration/Proof of Registration Status/Issuance of Proof.