41Mariners and airmen.
(1)The Secretary of State may make regulations modifying this Part of this Act, in such manner as he thinks proper, in its application to persons who are or have been employed on board any ship, vessel, hovercraft or aircraft; and such regulations may in particular provide—
(a)for this Part to apply to such persons notwithstanding that it would not otherwise apply;
(b)for excepting such persons from the application of this Part where they neither are domiciled nor have a place of residence in any part of Great Britain ;
(c)for requiring the payment of secondary Class 1 contributions in respect of such persons, whether or not they are (within the meaning of this Part) employed earners ;
(d)for the taking of evidence, for the purposes of any claim to benefit, in a country or territory outside Great Britain, by a British consular official or such other person as may be prescribed;
(e)for enabling persons who are or have been so employed to authorise the payment of the whole or any part of any benefit to which they are or may become entitled to such of their dependants as may be prescribed.
(2)Any secondary Class 1 contribution payable by an employer—
(a)in respect of payments to a person employed on board a ship, vessel or hovercraft, where that person is by virtue of this section excepted from liability to pay a primary Class 1 contribution in respect of the payments; or
(b)by virtue of this section in respect of a person so employed who is not an employed earner for the purposes of this Act,
shall be excluded from the contributions which under section 1(5) of this Act are to be taken into account for the purpose of arriving at the amount of any Treasury supplement and shall be administered and applied in such manner and for such purposes as may be prescribed.
(3)In this section, " hovercraft" has the same meaning as in the [1968 c. 59.] Hovercraft Act 1968.