For the office of the inspector general, which may expend revenues collected not more than $1,680,000 from the fees charged to participants in the OIG Academy, including the Massachusetts public purchasing official certification program for the operation of such programs; provided, that notwithstanding any general or special law to the contrary, for the purpose of accommodating timing discrepancies between the receipt of retained revenues and related expenditures, the office may incur expenses and the comptroller may certify for payment amounts not to exceed the lower of this authorization or the most recent revenue estimate as reported in the state accounting system; provided further, that notwithstanding any general or special law to the contrary, funds may be collected in the prior fiscal year for service programs or activities delivered during the next fiscal year; and provided further, that any unspent balance at the close of the current fiscal year up to the ceiling shall remain in the account and may be expended for the item in the following fiscal year
