Energy (Windfall Gains in the Energy Sector) (Temporary Solidarity Contribution) Act 2023

Interest on overdue amounts

18. (1) Any temporary solidarity contribution payable by an energy company shall carry interest from the date when the temporary solidarity contribution becomes due and payable until payment and the amount of that interest shall be determined in accordance with subsection (2).

(2) The interest referred to in subsection (1) shall be determined by the following formula—

L x D x R

where—

L is the temporary solidarity contribution which remains unpaid,

D is the number of days (including part of a day) in the period during which the temporary solidarity contribution remains unpaid, and

R is the rate, represented by P in the formula T x D x P in section 1080(2)(c)(i) of the Act of 1997, that would apply under the formula if the temporary solidarity contribution was tax, within the meaning of that section, and the period during which the temporary solidarity contribution remains unpaid was the period of delay, within the meaning of that section.

(3) Subsections (3) to (5) of section 1080 of the Act of 1997 shall apply to interest payable on the temporary solidarity contribution under subsection (1) as those subsections apply to interest payable on a tax under that section.