(1) The effective date of a shoreline permit or permit exemption shall be the date of the last action required on the shoreline permit or permit exemption and all other government permits and approvals that authorize the development to proceed, including all administrative and legal actions on any such permit or approval.

(2) It is the responsibility of the project proponent to inform the Administrator of the permit applications filed with agencies other than Clallam County and of any related administrative and legal actions on any permit or approval. If no notice of the permits or approvals is given to the Administrator prior to the date established by the shoreline permit, permit exemption, or the provisions of this section, the expiration of a permit shall be based on the shoreline permit or permit exemption.

(3) The Administrator shall notify the Department of Ecology in writing of any change to the effective date of a substantial development permit, variance permit, or conditional use permit as authorized by this section, with an explanation of the basis for approval of the change. Any change to the time limits of a permit or permit exemption other than those authorized by this section shall require a new permit application.