The resolution or ordinance may be amended from time to time in the same manner in which it was adopted. Amendments may, among other provisions, authorize the use of moneys accumulated or to be accumulated in the fund for capital outlay purposes not originally stated. (1943, c. 593, s. 7; 1967, c. 1189; 1971, c. 780, s. 1; 1973, c. 474, s. 14.)