(1)As respects the year 1965-66 and subsequent years of assessment, the Income Tax Acts shall be amended as shown in the following provisions of this section :
Provided that subsections (2), (4), (5) and (6) of this section shall not affect the amounts of tax deductible or repayable under section 157 (pay as you earn) of the [1952 c. 10.] Income Tax Act 1952 before 8th June 1965, but this provision shall not prevent any necessary corrections being made on or after that day by adjusting subsequent deductions or repayments under that section or, if need be, by an assessment.
(2)In section 210 of the Income Tax Act 1952 (personal reliefs), as amended by section 12(1) of the [1963 c. 25.] Finance Act 1963, in paragraph (a) of subsection (1) (married) for the reference to £320 there shall be substituted a reference to £340, in paragraph (b) of that subsection (single) for the reference to £200 there shall be substituted a reference to £220, and in subsection (2) of the said section 210 (wife's earned income relief) for the reference to £200 (the maximum amount of that relief) there shall be substituted a reference to £220.
(3)The amounts of £255 and £180 (relating to the total income of the dependent relative) specified, for the purposes of section 216 of the said Act of 1952, by section 12(4) of the [1963 c. 25.] Finance Act 1963 shall each be increased by £30.
(4)Section 377(2) of the said Act of 1952 and section 19 of the [1960 c. 64.] Finance Act 1960 (relief for National Insurance contributions) shall cease to have effect; and no relief or deduction shall be given or allowed under any other provision of the said Act of 1952 in respect of any contribution in respect of which relief could, but for this subsection, be given under the said section 377(2).
(5)In section 15(2) of the [1952 c. 33.] Finance Act 1952 (relief for small incomes), as amended by section 12(6) of the Finance Act 1963, for the reference to £680 (income limit for marginal relief) there shall be substituted a reference to £705.
(6)In section 13 of the [1957 c. 49.] Finance Act 1957 (relief for persons over 65 with small incomes), as amended by section 14 of the [1964 c. 49.] Finance Act 1964, for the references to £360 and to £575 (the income limits for exemption) there shall be substituted references to £390 and £625; and (as regards the marginal relief) for the reference to £130 (the addition to the income limit) there shall be substituted a reference to £160.
(7)Where a person is a registered blind person within the meaning of section 9 of the [1962 c. 44.] Finance Act 1962 (relief for blind persons) during part only of the year of assessment, that person, or, as the case may be, that person's husband, shall be entitled to relief under subsection (1) or (2) of that section in any case in which he would have been entitled to such relief if that person had been such a registered blind person throughout the year, but the amount of relief granted by virtue of this subsection shall be calculated in accordance with subsection (8) below.
(8)For the purpose of calculating the said amount, the said section 9 shall have effect as if—
(a)for references in subsections (1) and (2) of that section to the amounts of any tax-free disability payments receivable by a person in the year of assessment there were substituted references to the amounts of any such payments receivable by him in the part of the year during which he was a registered blind person within the meaning of that section; and
(b)for references in the said subsection (1) to £100 (relief for one blind person) there were substituted references to that proportion of £100 which the period in the year of assessment during which the person in question was such a registered blind person bears to one year; and
(c)for references in the said subsection (2) to £200 (relief for blind couple) there were substituted references to that proportion of £200 which the sum of the periods in the year of assessment during which each of the persons in question was such a registered blind person bears to two years.