VALID_CODICE_FISCALE_CODES = %w{PTTLCU82P16F839E RSSMRA00A01F839E}
INVALID_CODICE_FISCALE_CODES = %w{PTTLCU82P16F839 MRA00A01F839E PTTLCU82P16F839A PtTcLU82p16F839e}

VALID_PARTITA_IVA_CODES = %w{06363391001 00950501007}
INVALID_PARTITA_IVA_CODES = %w{4894389 4348394934 06363391003}