For the purposes of this Part, "administration charge" means an amount payable, directly or indirectly, by an owner of a dwelling—
But "administration charge" does not include an amount payable by a tenant of a dwelling in a case where all of the following conditions are met—
The appropriate authority may by regulations make provision (including provision amending this Act) so as to amend the definition of "administration charge".
A statutory instrument containing regulations under this section (whether alone or with other provision) is subject to the affirmative procedure.