The persons competent to make an application under section 132(1) in respect of a scheme are—
(a)the trustees or managers of the scheme;
(b)any person other than the trustees or managers who has power to alter any of the rules of the scheme;
(c)in the case of an occupational pension scheme only, any person who is an employer of persons in service in an employment to which the scheme applies; and
(d)such other persons as regulations may specify, in relation to any category of schemes into which the scheme falls, as being proper persons to make such an application in respect of a scheme of that category.