9.—(1) A claimant is to be treated as not liable to make payments in respect of any amount which—
(a)represents an increase in the sum that would be otherwise payable, and
(b)is the result of—
(i)outstanding arrears of any payment or charge in respect of the accommodation,
(ii)outstanding arrears of any payment or charge in respect of other accommodation, previously occupied by the claimant, or
(iii)any other unpaid liability to make a payment or charge.
(2) Sub-paragraph (1) does not apply if the claimant is treated as not liable to make the payments under any of the preceding provisions of this Part of this Schedule.