| Subject | English | French |
| fin. | to opt back in | exercer l'option de réintégration |
| comp., MS | opt in | J'accepte (To explicitly consent to participate. Typically used in marketing programs and offerings, whereby an action (such as the use of personal information beyond the original, primary purpose for which it was collected) is not undertaken unless an individual explicitly consents. An element of choice) |
| commun. | opt-in | consentement préalable de l'abonné pour le traitement des données |
| gen. | opt-in | participation sélective |
| EU. | opting in | option de participation |
| polit. | "opting in" system | système d'"opting in" |
| gen. | opting-in | option de participation |
| gen. | opting-in | clause d'option de participation |
| med. | opting-in system | consentement explicite |
| med. | opting-in system | consentement exprès |
| med. | opting-in system | accord explicite |