222Fees for payment
(1)The Scottish Ministers may by regulations provide that, where a person makes a payment to Revenue Scotland or a person authorised by Revenue Scotland using a method of payment specified in the regulations, the person must also pay a fee specified in, or determined in accordance with, the regulations.
(2)A method of payment may only be specified in regulations under this section if Revenue Scotland expects that it, or the person authorised by it, will be required to pay a fee or charge (however described) in connection with amounts paid using that method of payment.
(3)The fee provided for in regulations under this section must not exceed what is reasonable having regard to the costs incurred by Revenue Scotland, or a person authorised by it, in paying the fee or charge mentioned in subsection (2).
(4)Regulations under this section—
(a)may make provision about the time and manner in which the fee must be paid,
(b)may make provision generally or only for specified purposes.