(1) Subject to section 55, where a return which includes -
(a) a self-assessment, and
(b) an election, as mentioned in section 41(1)(a), for a specified method of payment,
is delivered after a Revenue estimate has become due and payable in accordance with section 49, the Revenue estimate shall be discharged and section 53 shall apply accordingly.
(2) Where subsection (1) applies -
(a) any payment that has been made against the Revenue estimate shall be treated as made against the local property tax payable on foot of the self-assessment, and
(b) subject to section 960H of the Act of 1997 (as applied by section 120), where any payment made against the Revenue estimate exceeds the amount of the self-assessment, the amount of the excess shall be repaid.