(1) Where a member has not more than 10 years of pensionable service before first becoming a type 1 practitioner, the reference amount shall be the best of—
(a)the amount determined by calculation method A,
(b)the amount determined by calculation method B, and
(c)where—
(i)the benefit is payable on retirement or death of the member, and
(ii)the condition is met,
the base amount.
(2) The condition mentioned in paragraph (1)(c)(ii) is that—
(a)the amount of pension payable under Part 2 would be greater than the amount of pension payable under Part 3, where—
(i)any enhancement for the purposes of regulation 2.D.8 or 3.D.7 (enhancement of ill-health pensions), as appropriate, are ignored,
(ii)any additional pension is disregarded, and
(iii)any increase under the Pensions (Increase) Act 1971(1) is applied, and
(b)the amount determined by calculation method B is less than the base amount.
Where a member has more than 10 years of pensionable service before first becoming a type 1 practitioner, the reference amount shall be the better of—
(a)the amount determined by calculation method A, and
(b)the base amount.