18.— (1) For the purpose of representing members of the Garda Síochána in all matters affecting their welfare and efficiency (including pay, pensions and conditions of service), there may be established, in accordance with the regulations, one or more than one association for all or any one or more of the ranks of the Garda Síochána below the rank of Assistant Garda Commissioner.

(2) An association established under subsection (1) must be independent of and not associated with any body or person outside the Garda Síochána, but it may employ persons who are not members of the Garda Síochána.

(3) A member of the Garda Síochána shall not be or become a member of any trade union or association (other than an association established under this section or section 13 of the Garda Síochána Act 1924) any object of which is to control or influence the pay, pensions or conditions of service of the Garda Síochána.

(4) If any question arises whether any body or association is a trade union or association referred to in subsection (3), the question shall be determined by the Minister whose determination shall be final.

(5) The Minister—

(a) may, notwithstanding subsection (2), authorise an association established under this section to be associated with a person or body outside the Garda Síochána in such cases and in such manner and subject to such conditions or restrictions as he or she may specify, and

(b) may vary or withdraw any such authorisation.

(6) An association established under this section for the purpose of representing members of the Garda Síochána holding the rank of Garda may include persons admitted, in accordance with the regulations, to training for membership in the Garda Síochána.