An order may be made under this Division on the application of--
(a) any party to the contract, or
(b) any person who, but for the making of such an order, would be a party to the contract, or
(c) an industrial organisation of employers whose members employ persons working in the industry to which the contract relates, or
(d) an industrial organisation of employees whose members are employed in the industry to which the contract relates, or
(e) an association registered under Chapter 6 of which a party to the contract is a member,and not otherwise.