244. A collective agreement may contain clauses respecting the implementation of the right to return to work provided for in this division.
The right to return to work of a worker is implemented in the manner prescribed by the collective agreement applicable to him, if the agreement contains the clauses provided for in the first paragraph or clauses respecting the return to work after accident or disease.
In the case of this section, a worker who believes he has been wronged in exercising his right to return to work may have recourse to the grievance procedure prescribed by the agreement.