(1) A person:
(a) who is entitled to additional age retirement pension (see sections 55 and 57) or additional early retirement pension (see sections 59 and 61); and
(b) whose surcharge debt account is in debit when the benefit becomes payable to him or her;
may, not later than 3 months after, but not earlier than 3 months before, the pension becomes payable, by notice in writing given to CSC, elect that the pension be adjusted to take the person's surcharge deduction amount into account.
(2) However, a person may not make an election under this section if the person has given CSC a written notice under paragraph 146RB(2)(c).