Section 91 — Canada Labour Code: Employer may apply for declaration that strike unlawful

Where an employer alleges that a trade union has declared or authorized a strike, or that employees have participated, are participating or are likely to participate in a strike, the effect of which was, is or would be to involve the participation of an employee in a strike in contravention of this Part, the employer may apply to the Board for a declaration that the strike was, is or would be unlawful. Where an employer applies to the Board under subsection (1) for a declaration that a strike was, is or would be unlawful, the Board may, after affording the trade union or employees referred to in subsection (1) an opportunity to make representations on the application, make such a declaration and, if the employer so requests, may make an order requiring the trade union to revoke the declaration or authorization to strike and to give notice of such revocation forthwith to the employees to whom it was directed; enjoining any employee from participating in the strike; requiring any employee who is participating in the strike to perform the duties of their employment; and requiring any trade union, of which any employee with respect to whom an order is made under paragraph (b) or (c) is a member, and any officer or representative of that union, forthwith to give notice of any order made under paragraph (b) or (c) to any employee to whom it applies.