No, OET on the modes other than the OET on paper, i.e., on the computer at a test venue and OET at home, have different registration dates. They do not follow the similar opening and closing window for submitting your application. The registration window for OET on the computer at a test venue closes 10 days before the actual date of the OET you are registering for. For the OET at home, the registration window closes 7 days before the actual date of the OET you are registering for.