Power to extend Articles 13A to 13C
13D. The Department may by order provide that, subject to any such modifications and exceptions as may be prescribed in the order, Articles 13A to 13C (and any other provisions in this Order or the No. 1 Order so far as relating to those Articles) shall apply to such descriptions of persons other than employees as may be prescribed in the order as they apply to employees (but as if references to their employer were references to such person as may be so prescribed).