9. In Schedule 3 to the Housing Benefit (Consequential Provisions) Regulations (Northern Ireland) 2006(1) (transitional and savings provisions) in paragraph 5(1) in regulation 13 (rent) as set out in that paragraph—
(a)after paragraph (3)(a) insert—
“(ab)except where he is separately liable for charges for water, sewerage or allied environmental services, an amount determined in accordance with paragraph (6A); ”; and
(b)after paragraph (6) insert—
“(6A) The amount of the deduction referred to in paragraph (3)(ab) shall be—
(a)except in a case to which sub-paragraph (c) applies, if the dwelling occupied by the claimant is a self-contained unit, the amount of the charges;
(b)in any other case except one to which sub-paragraph (c) applies, the proportion of those charges in respect of the self-contained unit which is obtained by dividing the area of the dwelling occupied by the claimant by the area of the self-contained unit of which it forms part;
(c)where the charges vary in accordance with the amount of water actually used, the amount which the Executive considers to be fairly attributable to water, and sewerage services, having regard to the actual or estimated consumption of the claimant.”.