| Subject | English | Icelandic |
| comp., MS | credit card authorization | kreditkortaheimild (The process of verifying the credit card holder's identification and credit worthiness before a sales order is processed and fulfilled) |
| comp., MS | return materials authorization number | númer vöruskilaheimildar (A reference number that is used to authorize and track goods returned for repair or refund. A return materials authorization is issued by a sales entity that authorizes a buying company to return goods) |