the community charges registration officer for a charging authority to revoke a designation of an individual as a certification officer under regulations under section 30 above,

a charging authority to alter an estimate, made for the purposes of regulations under Schedule 2 above, of the amount a person is liable to pay in respect of a community charge of the authority,

the community charges registration officer for a charging authority to revoke a designation of an individual as a responsible individual under regulations under Schedule 2 above,

a charging authority to quash a penalty imposed by it under Schedule 3 above,

the community charges registration officer for a charging authority to quash a penalty imposed by him under Schedule 3 above, or

the community charges registration officer for a charging authority to revoke a designation under section 5 above.

revoke the designation, alter the estimate or quash the penalty accordingly, and

attend to any ancillary matter provided for in the order (such as the repayment of an amount, or the allowance of an amount by way of deduction against a sum due).