#	Federal Register
1	05/20/2019 - 1910.147(a)(1)(i) - 84:22756-22762 - The Control of Hazardous Energy (Lockout/Tagout) - PDF
2	10/04/2016 - 1910.147(a)(1)(i) - 81:68504-68685 - Standards Improvement Project-Phase IV; Proposed Rule - PDF

#	Letters of Interpretation
1	12/12/2012 - 1910.147(a)(1)(i) - Whether an LED type device ca be used for the isolation and deenergization verification requirements of 1910.147 and 1910.333.
2	10/11/2006 - 1910.147(a)(1)(i) - Use of LOTO device on equipment placed in "out of service" status not related to servicing or maintenance.

#	Regulations
1	The control of hazardous energy (lockout/tagout).