The accrual basis of accounting adapted to the governmental fund type spending measurement focus. Revenues are recognized when they become both “measurable” and “available” to finance expenditures of the current period. Expenditures are recognized when the related fund liability is incurred. A method of accounting that recognizes increases and decreases in financial resources only to the extent that they reflect near-term inflows or outflows of cash. Under modified accrual accounting, amounts are recognized as revenue when earned, only so long as they are collectible within the period or soon enough afterwards to be used to pay liabilities of the current period.