6In the case of a repayment of income tax deducted at source for a tax year, the repayment interest start date is 31 January next following that year.
7In the case of any amount which is to be repaid as a result of a claim for relief under—
(a)paragraph 2 of Schedule 1B to TMA 1970 (carry back of loss relief from later year to earlier year), or
(b)Chapter 16 of Part 2 of ITTOIA 2005 (claim for averaging of profits of farmers etc over two consecutive years),
the repayment interest start date is 31 January next following the year that is the later year in relation to the claim.
8In the case of any payment under regulations under section 375(8) of ICTA (MIRAS: payments equivalent to deductions which could have been made), the repayment interest start date is 31 January next following the tax year in which the interest payment mentioned in section 375(8)(c) was made.
9In the case of a repayment made in consequence of a claim under section 228 of the Income Tax Act 1952 (relief in respect of income accumulated under trusts), the repayment is to be treated as if it were a repayment of income tax paid by the claimant for the tax year in which the contingency mentioned in that section happened.
10An amount of inheritance tax which is overpaid in consequence of any of the following provisions—
(a)section 146(1) of IHTA 1984,
(b)section 19 of the Inheritance (Provision for Family and Dependants) Act 1975, or
(c)Article 21 of the Inheritance (Provision for Family and Dependants) (Northern Ireland) Order 1979,
does not carry repayment interest before the order mentioned in that provision is made.
11In the case of an amount which is repayable on a claim under section 146(2) or 150 of IHTA 1984, the repayment interest start date is the date on which the claim is made.
12In the case of an amount which is repayable under section 147(2) of IHTA 1984, the repayment interest start date is the date on which the tax was paid.