321(1)When a diver shows any indication of pressure-related illness, a diving supervisor shall ensure that treatment is initiated and the medical practitioner referred to in subsection 316(2) is alerted immediately.

321(2)A diving supervisor shall ensure that a diver who has suffered a pressure-related illness does not dive unless approval for further diving is given by a medical practitioner.

321(3)A diving supervisor shall ensure that on completion of decompression, a diver remains under observation and in the general area of the hyperbaric chamber for such period of time as the diving supervisor believes is necessary for the diver’s welfare.