All work vests and anti-exposure (deck) suits on a manned deepwater port must be of a buoyant type approved under:

1. (a) Approval series 160.053 as a work vest;
2. (b) Approval series 160.053 or 160.153 as an anti-exposure suit; or
3. (c) Approval series 160.077 as a commercial hybrid personal flotation device.