Page 822

either (i) be adopted and a certified copy thereof filed with the Department on or before the first day of April, whereupon the Department shall proceed to administer and enforce this Section as of the first day of July next following the adoption and filing; or (ii) be adopted and a certified copy thereof filed with the Department on or before the first day of October, whereupon the Department shall proceed to administer and enforce this Section as of the first day of January next following the adoption and filing. When certifying the amount of a monthly disbursement to a municipality under this Section, the Department shall increase or decrease the amount by an amount necessary to offset any misallocation of previous disbursements. The offset amount shall be the amount erroneously disbursed within the previous 6 months from the time a misallocation is discovered. Any unobligated balance remaining in the Municipal Retailers' Occupation Tax Fund on December 31, 1989, which fund was abolished by Public Act 85-1135, and all receipts of municipal tax as a result of audits of liability periods prior to January 1, 1990, shall be paid into the Local Government Tax Fund for distribution as provided by this Section prior to the enactment of Public Act 85-1135. All receipts of municipal tax as a result of an assessment not arising from an audit, for liability periods prior to January 1, 1990, shall be paid into the Local Government Tax Fund for distribution before July 1, 1990, as provided by this Section prior to the enactment of SB3019 Enrolled LRB104 20255 HLH 33706 b Public Act 104-0468