Despite divisions 2 and 3 and any regulation made under section 22 (2) , if a coastal plan is made, amended or replaced in substantial compliance with the process stated in the divisions and regulation, the coastal plan, amendment or replacement is valid so long as any noncompliance has not—
(a) adversely affected the awareness of the public of the existence and nature of the proposed coastal plan, amendment or replacement; or
(b) restricted the opportunity of the public to make properly made submissions about the proposed coastal plan, amendment or replacement under the process stated in the divisions and regulation.