Mich. Comp. Laws § 141.422c

Sec. 2c. (1) "Expenditure" means the cost of goods delivered or services rendered, whether paid or unpaid, including expenses, debt retirement not reported as a liability of the fund from which retired, or capital outlay. (2) "General appropriations act" means the budget as adopted by the legislative body or as otherwise given legal effect pursuant to a charter provision in effect on the effective date of this section.