International Organization of Vehicle Manufacturers (cf, French Organisation Internationale des Constructeurs d’Automobiles)

Over the Air: A method of delivering and installing software updates to a vehicle remotely via a wireless communication link

Regulation Software Identification Number: A dedicated identifier, defined by the vehicle manufacturer, that represents the type-approval-relevant software of the electronic control system(s) contributing to the characteristics covered by a specific UN Regulation (where “X” stands for the regulation number — e.g. RX79SWIN for UN Regulation No. 79 on steering equipment).