222.1. Every employee who was a member of the Civil Service Superannuation Plan on 31 December 1986 and who made an election under section 13 between 31 August 1986 and 23 June 1987, may cancel such election if he meets the requirements of subdivision 3 of Division II.1 of the Act respecting the Civil Service Superannuation Plan (chapter R-12) and if he avails himself thereof before the said subdivision ceases to have effect.