The Housing Benefit Regulations 2006

11.  Where a decision has been made under regulation 95 or 96 (circumstances in which payment is to be made, or may be made, direct to a landlord), the decision notice shall include a statement— E+W+S

(a) as to the amount of housing benefit which is to be paid direct to the landlord and the date from which it is to be paid; and

(b) informing the landlord of the duty imposed upon him to notify the local authority of—

(i) any change in circumstances which might affect the claimant's entitlement to housing benefit, or the amount of housing benefit payable in his case; and

(ii) the kind of change of circumstances which is to be notified;

(c) informing both landlords and claimants that where a payment of housing benefit is recoverable from a landlord and the recovery is made from housing benefit payable to the landlord to discharge (in whole or in part) an obligation owed to him by a claimant, then, in a case where that claimant is not the person on whose behalf the recoverable amount was paid, that obligation shall nonetheless be taken to be discharged by the amount so recovered,

and the notice shall be sent both to the claimant and to the landlord.