20.—(1) Subject to this Act—

F184[(a) every person—

(i) over the age of 16 years and under pensionable age, or

(ii) born on or after 1 January 1958, who has attained pensionable age but has neither attained the age of 70 years nor been awarded a State pension (contributory),

(not being a person included in any of the classes of person specified in Part 3 of Schedule 1) who has reckonable income or reckonable emoluments, shall be a self-employed contributor for the purposes of this Act regardless of whether the person is also an employed contributor,]

(b) every person becoming for the first time a self-employed contributor shall become insured under this Act and shall thereafter continue throughout his or her life to be so insured, and

(c) in the case of a person who, not having been an employed contributor at any time, becomes for the first time a self-employed contributor, the first day of the contribution year in which the person becomes a self-employed contributor shall be regarded as the date of entry into insurance.

[1993 s17(2)]

(2) Regulations may provide for—

(a) including among self-employed contributors classes of person or part of any class of person specified in or included in Part 3 of Schedule 1,

(b) adding to the classes of person specified in Part 3 of Schedule 1,

(c) the modification of any of the provisions of this Act relating to self-employed contributors,

(d) the application (with or without modification) to self-employed contributors or self-employment contributions payable under section 21(1)(a), (b) or (c) of any provisions of this Act which apply to employed contributors or employment contributions.