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| Subject | Greek | English |
| comp., MS | κώδικας ελέγχου ταυτότητας μηνύματος | Message Authentication Code (An algorithm that allows a receiver to ensure that a block of data has retained its integrity from the time it was sent until the time it was received) |
| commun. | κώδικας ταυτότητας | identifier |
| commun. | κώδικας ταυτότητας | identity |
| commun. | κώδικας ταυτότητας | ID code |
| tax. | κώδικας φορολογικής ταυτότητας | tax identification code |