6. An election shall cease to have effect where a contributor–
(a)receives payment of benefits under any of regulations E1 to E6 of the 1995 Regulations except where the contributor is entitled to accrue further benefits in the circumstances described in regulation B3(2) of those Regulations;
(b)leaves pensionable employment;
(c)ceases to be in pensionable employment by virtue of an election under regulation B4 of the 1995 Regulations; or
(d)ceases to receive tax relief under section 594(1) of the Taxes Act (exempt statutory schemes) or otherwise in respect of contributions paid under regulation D1 of the 1995 Regulations.