4. In regulation E7A(2) (Retirement pension when election has been made under regulation C4B)—
(a)for “paragraph (3)” substitute “paragraph (3) or (3A)”;
(b)in paragraph (3), before the words “The increase is (RI/RE)” insert—
“Where the election under regulation C4B was accepted before 1st April 2011,”;
(c)after paragraph (3) insert—
“(3A) Where the election under regulation C4B was accepted on or after 1st April 2011, the increase is PI1/PI2 where—
PI1 is the prices index for the second month before the month in which the teacher becomes entitled to the part of his or her retirement pension referred to in this regulation; and
PI2 is the prices index for the month which includes the start date, as defined in paragraph 1 of Schedule 2A for the election in question.”.