206. The worker may contest the report of the physician designated by the Commission in accordance with section 204 within ten days of the sending of the report by the Commission as regards one or several matters mentioned in subparagraphs 1 to 5 of the first paragraph of section 212.
Within twenty days of his contestation, the worker shall send the Commission a report of a physician whose conclusions call in question those of the physician designated by the Commission regarding each matter the worker wishes to contest, so that the Commission may submit it to arbitration as provided for in section 217.