(a) prevents an agency or authority from using volunteers where the use of volunteers does not result in the dismissal of a worker, or (a) in a dwelling owned by a person or rented and inhabited by that person, who is that person`s primary health care provider, and (e) provide for the future admission of other trade unions to the trade union organisation that the Labour Relations Board may certify; to represent staff members of an agency who are in a bargaining unit and (c) agencies providing primarily services other than those described in points (a) and (b); 4. If, before the expiry of the period laid down pursuant to paragraph 2, the statutes referred to in paragraph 2 are not approved by the trade unions and approved by the labour committee, the labour relations council shall adopt the statutes within thirty days of the expiry of that period. . . .