12 U.S.C. § 4005 — Payment of interest

(a) In general Except as provided in subsection (b) or (c) and despite any other provision of law, interest must accrue on funds deposited in an interest-bearing account^* at a depository institution^* beginning by the business day^* on which the depository institution receives provisional credit^* for that funds. (b) Special rule for credit unions Subsection (a) does not apply to an account at a depository institution described in section 461(b)(1)(A)(iv) of this title if the depository institution— (1) begins the accrual of interest or dividends at a later date than the date described in subsection (a) for all funds, including cash^*, deposited in that account; and (2) provides notice of the interest payment policy in the manner required under section 4004(e) of this title. (c) Exception for checks returned unpaid No provision of this chapter must be construed as requiring the payment of interest or dividends on funds deposited by a check^* which is returned unpaid.