Canada Labour Code

Marginal note:Employee’s duty to inform employer

205.2 An employee whose job functions have been modified, who has been reassigned or who is on a leave of absence shall give at least two weeks notice in writing to the employer of any change in the duration of the risk or in the inability as indicated in the medical certificate, unless there is a valid reason why that notice cannot be given, and such notice must be accompanied by a new medical certificate.