Division 3.1 Verification of the crew member’s registration in the Union database:

The Union database shall allow certification and enforcement authorities to check, whether a crew member is already registered in the system. This shall be done either on the basis of a crew member identification number (CID) or of data contained in an identity document provided by the crew member. In the case of on-line services, the identification of a crew member shall be made with the support of the dataset as set out under Regulation (EU) 2015/1501.

Providing no person with a similar identity-related dataset is found in the system following a search by a certification authority, the crew member shall be registered in the system.