Of the funds received pursuant to Section 19-9-151 by a situs county wherein such nuclear generating plant is located, the board of supervisors of such situs county shall distribute ten percent (10%) of each payment, upon receipt, to the most populous incorporated municipality within the county; however, if such plant is located within a municipality, such payments which would otherwise be made to the situs county pursuant to Section 19-9-151 shall be divided equally between the situs county and situs municipality.