The following, namely—
shall carry interest at the rate applicable under section 178 of the Finance Act 1989 from the relevant date until payment.
For the purposes of subsection (1)(a) above the relevant date is whichever of the dates mentioned in section 59A(2) of this Act is applicable; and for the purposes of subsection (1)(b) above the relevant date is—
Subsection (1) above applies even if the relevant date is a non-business day within the meaning of section 92 of the Bills of Exchange Act 1882.
Subsection (5) below applies where as regards a year of assessment—
Interest shall be payable under this section as if each of the section 59A amounts had been equal to—
whichever is the less.
In determining for the purposes of subsections (4) and (5) above what amount (if any) is payable by any person in accordance with section 59B(3), (4) or (5) of this Act or, in respect of income tax assessed under section 29 of this Act, in accordance with section 59B(6) of this Act—
Subsection (8) below applies where as regards any person and a year of assessment—
So much of any interest payable under this section on either of the section 59A amounts as is not attributable to the amount by which that amount exceeds 50 per cent. of the section 59B amount shall be remitted.
In determining for the purposes of subsections (7) and (8) above what amount (if any) is repayable to any person in accordance with section 59B(3), (4) or (5) of this Act, no account shall be taken of any amount which has been paid on account otherwise than under section 59A(2) of this Act or is payable by way of capital gains tax.