U.S. Code of Federal Regulations
Regulations most recently checked for updates: Dec 12, 2019
Each safety harness used in surface-supplied diving must have -
(a) A positive buckling device; and
(b) An attachment point for the umbilical life line that -
(1) Distributes the pulling force of the umbilical over the diver's body; and
(2) Prevents strain on the mask or helmet.