| Subject | English | Irish |
| tax. | cross-border tax identification number | uimhir aitheantais chánach thrasteorann |
| transp., agric. | external identification number | uimhir aitheantais sheachtrach |
| tax. | identification number | uimhir aitheantais |
| fin., econ. | international securities identification number | uimhir aitheantais urrús idirnáisiúnta |
| fin., econ. | international security identification number | uimhir aitheantais urrús idirnáisiúnta |
| comp., MS | personal identification number | uimhir aitheantais phearsanta (A unique and secret identification code similar to a password that is assigned to an authorized user and used to gain access to personal information or assets via an electronic device) |
| gen. | personal identification number | uimhir aitheantais phearsanta |
| tax. | tax identification number | uimhir aitheantais chánach |
| tax. | value added tax identification number | uimhir aitheantais CBL |
| tax. | VAT identification number | uimhir aitheantais CBL |