| Subject | English | French |
| commun. | material return authorization number | numéro d'identification du matériel retourné |
| avia., Canada | Return Material Authorization | autorisation de retour de matériel |
| comp., MS | return materials authorization number | numéro de retour marchandises (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) |