28.—(1) Subject to paragraph 29, the amount of the transitional addition is the amount by which Amount A exceeds Amount B.
(2) Where a conversion decision as described in regulation 5(2)(a) of the Employment and Support Allowance (Transitional Provisions, Housing Benefit and Council Tax Benefit) (Existing Awards) (No. 2) Regulations 2010 (“the 2010 Regulations”) is made in respect of the relevant person—
(a)Amount A is the basic amount that would have applied on the day that decision took effect had that decision not been made; and
(b)Amount B is the basic amount that applied on that day as a result of that decision.
(3) Where the relevant person is appealing a conversion decision as described in regulation 5(2)(b) of the 2010 Regulations and is treated as having limited capability for work by virtue of regulation 30 of the Employment and Support Allowance Regulations 2008 as modified by the 2010 Regulations—
(a)Amount A is the basic amount that would have applied on the day the relevant person was first treated as having limited capability for work if the relevant person had not been so treated; and
(b)Amount B is the basic amount that applied on that day as a result of the relevant person being so treated.
(4) In this paragraph and paragraph 29, “basic amount” (“swm sylfaenol”) means the aggregate of such amounts as may apply in the applicant’s case in accordance with paragraph 1(1)(a) to (e) or paragraph (2)(2 )(a) to (f) of Schedule 6.
29.—(1) Subject to sub-paragraph (2), where there is a change of circumstances which leads to an increase in the applicant’s basic amount, the transitional addition that applies immediately before the change of circumstances is to be reduced by the amount by which Amount C exceeds Amount D.
(2) If Amount C exceeds Amount D by more than the amount of the transitional addition that applies immediately before the change of circumstances, that transitional addition is to be reduced to nil.
(3) Amount C is the basic amount that applies as a result of the increase.
(4) Amount D is the basic amount that applied immediately before the increase.