(1) The 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 given in writing under this regulation; and
(b) each corresponding approval.
(4) The competent authority must note in the register—
(a) the cancellation or variation of a written approval; and
(b) a decision of CAP reversing a decision that a corresponding approval should have effect in all participating jurisdictions or participating jurisdictions including the ACT.