| (1) | An employer or commercial diving school may not— |
| i. | For commercial scuba , dive without having an alternate breathing gas supply available that is sufficient for that person to reach a place of safety in case of an emergency; or |
| ii. | For air scuba, dive without the minimum plant and machinery as listed in the definition of "air scuba" |
[Regulation 25(1)(a) substituted by Notice No. R. 2692 of GG47413, dated 31 October 2022]
| (b) | commence diving operations without an emergency response plan and, in case of saturation diving projects, a hyperbaric evacuation plan. |
| (2) | A commercial diving supervisor may not— |
| (a) | dive while supervising other commercial divers; |
| (b) | act as a standby diver; or |
| (c) | supervise diving operations outside of the scope of his or her class of registration. |
| (3) | A commercial diver may not dive outside of the scope of his or her class of registration. |
| (4) | A line attendant may not leave a post while responsible for tending a diver, unless the line attendant is relieved by another person duly instructed by the commercial diving supervisor. |
| (5) | Airline diving may not take place unless approved by the chief inspector. |
| (6) | A commercial diving contractor may not undertake commercial diving projects without being registered with the Chief Inspector. |
[Regulation 25(6) inserted by Notice No. R. 2692 of GG47413, dated 31 October 2022]
