5.—(1) An authorisation given under this Order in relation to any function involving decisions on claims shall not extend to any decisions on any claims where the authorised person—
(a)is a person to whom rent is payable for a dwelling in respect of which the claim is made; or
(b)may otherwise be affected financially by reason of a payment of housing benefit under that claim.
(2) An authorisation given under this Order in relation to any function involving decisions on claims shall not extend to a decision made by an employee of an authorised person on any claim where that employee—
(a)is a person to whom rent is payable for a dwelling in respect of which that claim is made; or
(b)may otherwise be affected financially by reason of a payment of housing benefit under that claim.