12   Persons bound by award

(1)  An award is binding on all employees and employers to which it relates, whether or not they were a party to the making of the award.

(2)  An award that applies to a particular industry is, subject to its terms, taken to bind all employees and employers engaged in the industry.

(3)  An award is, subject to its terms, binding on all industrial organisations that were a party to the making of the award.