making provision in relation to the postponement, under the regulations, of the payment of any fee, which provision may (without limitation) include provision—
(i)
for the recovery of the fee after the expiry of the period of postponement; and
(ii)
for restrictions to apply (after the expiry of the period of postponement and so long as the fee remains unpaid) on the steps that may be taken in the proceedings in respect of which the fee is payable: