Canada Occupational Health and Safety Regulations

18.7 (1) Every employer shall ensure that an employee required to dive has

• (a) received a medical examination within the last two years; and

• (b) been declared fit to dive, or fit to dive with specified restrictions, by the examining physician.

(2) For the purposes of subsection (1), the examining physician shall use as a guideline the factors and tests listed in Appendices A and B of CSA Standard CAN/CSA-Z275.2-92, Occupational Safety Code for Diving Operations, published in English in April 1992 and in French in February 1994, as amended from time to time.

(3) Where the physician examining the employee pursuant to subsection (1) declares the employee fit to dive with specified restrictions, the employer shall not permit the employee to dive otherwise than in accordance with the specified restrictions.

(4) Every employer shall ensure that a diver who has been treated for a pressure-related injury or illness does not dive unless written clearance for further diving is given by a physician.