The Secretaria Municipal da Fazenda - SMF maintains an official webpage accessible via this link.

published by deloitte, this brochure contains a wealth of clear information on taxation issues for foreigners working in brazil - Another good reference for income taxation for residents and non-residents is in this link from angloinfo. Both should be taken as introductory articles only, and professional aid is recommended to avoid paying a different value from what is due.

Documents emitted in Brazil must be legalized before usage abroad according to diplomatic treaties between the two countries. In order to legalize a document, one must present it to the consular authorities of Brazil according to this website.