A member may cancel an option under regulation 165(1) by giving the employing authority notice in writing.

If a member cancels such an option, the additional periodical contributions cease to be payable for the first pay period beginning after the date on which the employing authority receives the notice and all subsequent pay periods.

If it appears to the Department that the requirement in regulation 165(7) (overall maximum) will not be met if the member continues to make periodical contributions under an option exercised under regulation 165, the Department may cancel the option by giving the member notice in writing.

If the Department cancels such an option, the additional periodical contributions cease to be payable for the first pay period beginning after the date specified in the notice and all subsequent pay periods.