1Class 1A contributions
(1)The [1975 c. 14.] Social Security Act 1975 (“the 1975 Act”) shall be amended as follows.
(2)In subsection (2) of section 1 (outline of contributory system) for “four” there shall be substituted “five” and after the description of Class 1 contributions there shall be inserted— “Class 1A, payable under section 4A in respect of cars made available for private use and car fuel by persons liable to pay secondary Class 1 contributions and certain other persons;
(3)In subsection (6)(a) and (c) of that section after “Class 1” there shall be inserted “, Class 1A”.
(4)In the heading before section 4 for “four” there shall be substituted “five”.
(5)The following section shall be inserted after section 4—
“4AClass 1A contributions
(1)Where—
(a)for any tax year an amount in respect of a car is by virtue of section 157 of the [1988 c. 1.] Income and Corporation Taxes Act 1988 chargeable on an earner to income tax under Schedule E; and
(b)the employment by reason of which the car is made available is employed earner’s employment,
a Class 1A contribution shall be payable for that tax year, in accordance with this section, in respect of the earner and car in question.
(2)The Class 1A contribution referred to in subsection (1) above is payable by—
(a)the person who is liable to pay the secondary Class 1 contribution relating to the last (or only) relevant payment of earnings in the tax year in relation to which there is a liability to pay such a contribution; or
(b)if no such contribution is payable in relation to a relevant payment of earnings in the tax year, the person who would be liable but for section 4(2)(b) above to pay a secondary Class 1 contribution relating to the last (or only) relevant payment of earnings in the tax year.
(3)A payment of earnings is a “relevant payment of earnings” for the purposes of subsection (2) above if it is made to or for the benefit of the earner in respect of the employment by reason of which the car is made available.
(4)The amount of the Class 1A contribution referred to in subsection (1) above shall be—
(a)the Class 1A percentage of the cash equivalent of the benefit of the car to the earner in the tax year; or
(b)where for the tax year an amount in respect of fuel for the car is by virtue of section 158 of the [1988 c. 1.] Income and Corporation Taxes Act 1988 also chargeable on the earner to income tax under Schedule E, the aggregate of—
(i)the Class 1A percentage of the cash equivalent of the benefit of the fuel to the earner in the tax year; and
(ii)the amount mentioned in paragraph (a) above,
the cash equivalents of the benefit of a car or fuel being ascertained, subject to the provisions of this section, in accordance with section 157 or, as the case may be, 158 of the Income and Corporation Taxes Act 1988 and Schedule 6 to that Act.
(5)In subsection (4) above “the Class 1A percentage” means a percentage rate equal to the percentage rate for secondary Class 1 contributions specified in section 4(6E) above as appropriate for the highest secondary earnings bracket for the tax year in question.
(6)In calculating for the purposes of subsection (4) above the cash equivalent of the benefit of a car or fuel—
(a)the car shall not be treated as being unavailable on a day by virtue of paragraph 2(2)(b) of Schedule 6 to the [1988 c. 1.] Income and Corporation Taxes Act 1988 for the purposes of section 158(5) of that Act or paragraph 2(2), 3(2) or 5(2) of that Schedule, unless the person liable to pay the contribution has information to show that the condition specified in paragraph 2(2)(b) is satisfied as regards that day;
(b)the use of the car for the earner’s business travel shall be taken—
(i)for the purposes of section 158(5) of that Act and sub-paragraph (1) of paragraph 3 of that Schedule to have amounted to less than 18,000 miles (or such lower figure as is applicable by virtue of sub-paragraph (2) of that paragraph); and
(ii)for the purposes of sub-paragraph (1) of paragraph 5 of that Schedule to have amounted to not more than 2,500 miles (or such lower figure as is applicable by virtue of sub-paragraph (2) of that paragraph),
unless in either case the person liable to pay the contribution has information to show the contrary; and
(c)for the purposes of paragraph 5(3) of that Schedule, the car shall be treated as not having been the car used to the greatest extent for the employee’s business travel, unless the person liable to pay the contribution has information to show the contrary.
(7)Regulations may make such amendments of this section as appear to the Secretary of State to be necessary or expedient in consequence of any alteration to section 157 or 158 of the Income and Corporation Taxes Act 1988 or Schedule 6 to that Act.
(8)A person shall be liable to pay different Class 1A contributions in respect of different earners, different cars and different tax years.
(9)Regulations may provide—
(a)for persons to be excepted in prescribed circumstances from liability to pay Class 1A contributions;
(b)for reducing Class 1A contributions in prescribed circumstances.”.