Upon the approval and final determination of benefits the auditor shall immediately prepare a completed roll thereof, which shall contain a copy of the order of the board approving and confirming said benefits as finally determined, and shall deliver said roll to the treasurer. Said benefits shall be the basis for the apportionment and collection of maintenance levies thereafter made by the board.
[ 1949 c 26 § 11; Rem. Supp. 1949 § 4459-30.]