((a)) ** In general** Except as provided in subsection (b) or (c) and notwithstanding any other provision of law, interest shall accrue on funds deposited in an interest-bearing account at a depository institution beginning not later than the business day on which the depository institution receives provisional credit for such funds.

((b)) ** Special rule for credit unions** Subsection (a) shall not apply to an account at a depository institution described in if the depository institution—

((1)) begins the accrual of interest or dividends at a later date than the date described in subsection (a) with respect to all funds, including cash, deposited in such account; and

((2)) provides notice of the interest payment policy in the manner required under .

((c)) ** Exception for checks returned unpaid** No provision of this chapter shall be construed as requiring the payment of interest or dividends on funds deposited by a check which is returned unpaid.