(1) In granting, revising, or extending a shoreline permit, the review authority may attach such conditions, modifications, or restrictions thereto regarding the location, character, and other features of the proposed development deemed necessary to assure that the development will be consistent with the policy and provisions of Chapter 90.58 RCW and this Program as well as the supplemental authority provided in Chapter 43.21C RCW as applicable. In cases involving unusual circumstances or uncertain effects, a condition may be imposed to require monitoring with future review or reevaluation to assure conformance with Chapter 90.58 RCW and this Program.

(2) When permit or permit exemption approval is based on conditions, such conditions shall be satisfied prior to occupancy or use of a structure or prior to commencement of a nonstructural activity; provided, that an alternative compliance limit may be specified in the permit or permit exemption.