Regulation 7 Annual rate of pension
The annual rate of pension payable to a person to whom section 2(2) or (4) applies shall be calculated, as at the date of retirement, in accordance with the formula
the appropriate annual rate attributable to the person where—
aA is the actuarial reduction factor set out in the Table in the Schedule to these Regulations (“the Table”) appropriate to the age of the member at his last birthday;
B is the number of days between the exact age of the member and his age last birthday; and
C is the actuarial reduction factor set out in the Table appropriate to the member at his age next birthday.