OBS_VALUE: Since the enactment of Provisional Measure  2,200-2/2001, which implemented the Brazilian Public Key Infrastructure (the Brazilian PKI), documents digitally signed, that is, signed with a digital certificate issued by any certification authority accredited by the Brazilian PKI certification authorities, are considered valid and enforceable in the same way as physically executed document. Provisional Measure 2200-2/2001 is being rewritten.