Requirements for Authorisation D Issue Date March 2019 41 b. Authorisation/Designation granted c. Intention to Refuse notified. 5.1 Approval in Principle (AIP) given 1 Where the requirements for authorisation/designation are not met but with reasonable changes they can be met, the applicant will be given written Approval in Principle (AIP). This will list items to be complied with before authorisation/designation is granted, and will include a time limit after which the AIP will expire. Final approval will only be given when all the required changes (or agreed alternatives) have been made. 2 Where the applicant is not prepared to comply with an item, or items, listed they must notify DVSA as soon as is possible, and before the expiry date of the AIP. The application will then be dealt with as in 5.4 below.