# Standard Interpretations
1 - 1910.147(f)(3) - Clarification of "authorized" and "affected" employees and proper energy control procedures.
2 - 1910.147(f)(3) - Authorized employees may, but are not required to, verify energy isolation in group LO/TO.
3 - 1910.147(f)(3) - Control of Hazardous Energy Sources (Group Lockout/Tagout).