(1) The person who prepares a return -
(a) shall elect in the return to pay local property tax by one of the methods specified in the return, and
(b) where the liable person is eligible to do so, may elect in the return to defer payment of local property tax payable by the liable person.
(2) Where the person who makes a return elects in the return to pay local property tax by one of the methods specified in the return but does not include a self-assessment, that method of payment may be treated as applying to the Revenue estimate.