(1) A Competent Authority must keep a register of approvals.(2) The register may have separate divisions for different kinds of approvals.(3) The Competent Authority must record in the register (a) each approval that it gives in writing under these regulations; and(b) each approval given in writing by a corresponding Competent Authority that would be a corresponding approval if it were recorded in the register.(4) The Competent Authority must note in the register (a) the cancellation or variation of a written approval that it has given; and(b) a decision of the Panel reversing a decision that a corresponding approval should have effect in all participating jurisdictions or participating jurisdictions including this jurisdiction.