In those cases where the building official finds that plans submitted for review pursuant to the requirements of any of the codes adopted in this title are substantially identical to plans reviewed by the building official any time within one year prior to the date of submission of such substantially identical plans, then in that event, the "plan review fees" set forth in said codes shall be reduced to be twenty five percent (25%) of the building permit fee. (1985 Code § 6-5-1; amd. 2001 Code)