AP834748 - Industrial Catering, Cleaning and Incidental Services (AWU and LHMU) Award 2000
12. STANDING DOWN OF EMPLOYEES
12.1 The employer is entitled to deduct payment for any day upon which an employee (including an apprentice) cannot be usefully employed because of industrial action by any of the Unions party to this award, or by any other association or Union.
12.2 The provisions of 12.1 also apply where the employee cannot be usefully employed through any cause which the employer could not reasonably have prevented but only if, and to the extent that, the employer and the Union or Unions concerned so agree or, in the event of disagreement, the Commission so determines.