# Regulations
1 - 1910.66 App C - Reserved
# Standard Interpretations
1 - 1910.66 App C - Neither a waist nor chest strap is a required part of body harness.
2 - 1910.66 App C - Lanyards and vertical lifelines must meet breaking and tensile strength requirements.
3 - 1910.66 App C - Retract-A-Matic 6 Lifeline as it applies to personal fall arrest system.
4 - 1910.66 App C - Review of Rope Grab Knot.