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}