(1)This section applies to—
(a)any amount of devolved tax, and
(b)any amount of penalty relating to devolved tax,
that is payable by a person to WRA.
(2)If an amount to which this section applies is not paid before the late payment interest start date, the amount carries interest (referred to in this Part as “late payment interest”) at the late payment interest rate for the period—
(a)beginning with the late payment interest start date, and
(b)ending with the date of payment.
(3)The late payment interest start date for the amount is the date following that on which the amount becomes payable, subject to sections 159 and 160.
(4)Subsection (2)(a) applies even if the late interest payment start date is a non-business day within the meaning of section 92 of the Bills of Exchange Act 1882 (c. 61).
(5)In this section, “late payment interest rate” has the meaning given by section 163(1).
(1)Late payment interest is not payable on late payment interest.
(2)The date of payment, in relation to an amount to which section 157 applies, includes the date on which it is set off against an amount payable by WRA.