1910.147(c)(7)(iii): Lockout/Tagout Retraining
Employers must retrain all authorized and affected employees when job assignments change, when machines, equipment or processes change in a way that brings a new hazard, or when energy control procedures change. Retraining is also needed when an inspection or the employer finds gaps in knowledge or use, and it must restore proficiency and introduce new or revised methods.
Key takeaways
- 1910.147(c)(7)(iii) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart J).
- OSHA cited it 84 times in the last 3 years, in 84 inspections, with $413,364 in current penalties.
- 7 deaths are linked to inspections that cited this rule.
- Most citations: OH (8), PA (8), NY (7).
- Related part: 1910.147(c) General (11,187 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.147(c)(7)(iii) is one requirement inside 1910.147 The control of hazardous energy (lockout/tagout), an OSHA general industry standard (Part 1910, Subpart J). It includes 3 sub-paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.
Official text
(iii) Employee retraining. 84 citations
(A) Retraining shall be provided for all authorized and affected employees whenever there is a change in their job assignments, a change in machines, equipment or processes that present a new hazard, or when there is a change in the energy control procedures. Open (c)(7)(iii)(a) 51 citations
(B) Additional retraining shall also be conducted whenever a periodic inspection under paragraph (c)(6) of this section reveals, or whenever the employer has reason to believe, that there are deviations from or inadequacies in the employee's knowledge or use of the energy control procedures. Open (c)(7)(iii)(b) 30 citations
(C) The retraining shall reestablish employee proficiency and introduce new or revised control methods and procedures, as necessary. 3 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1910.147.
Injuries linked to this rule
7 deaths are linked to inspections where OSHA cited 1910.147(c)(7)(iii).
At 1:45 a.m. on June 27, 2024, an employee was repairing a pallet straightener. The pallet straightener activated and crushed the employee between the conveyor and the stacker. The employee was killed.
Full case list with employer, penalty, filters and download is part of OSHA Data (Purple Belt).
Unlock with Purple BeltWhere and how often it was cited
| Year | Citations |
|---|---|
| 2023 | 8 |
| 2024 | 35 |
| 2025 | 30 |
| 2026 | 11 |
Top states: OH (8), PA (8), NY (7), WI (7), NC (6)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| ZIELIES TREE SERVICE, INC. | WHITE CASTLE, LA | $16,938 |
| PACKERS SANITATION SERVICES INC. LTD | DENMARK, WI | $16,550 |
| THOMPSON HARDWOODS, INC. | HAZLEHURST, GA | $16,131 |
| CLEARWATER PAPER CORPORATION | ARKANSAS CITY, AR | $16,131 |
| KIRA AVIATION SERVICES LLC | FORT CARSON, CO | $16,131 |
Free toolbox talk
A 5-minute crew talk on 1910.147(c)(7)(iii), plus alerts when this rule changes. Free.
OSHA interpretation letters
- Application of Control of Hazardous Energy (LOTO) requirements to compressed gas cylinders. (2007-04-23)
- Lock out/Tag out periodic inspection requirements. (2004-03-09)
Related parts of this rule
- 1910.147(c) General 11,187 citations
- 1910.147(c)(4) Energy control procedure 4,087 citations
- 1910.147(c)(4)(i) 2,952 citations
- 1910.147(c)(7) Training and communication 2,758 citations
- 1910.147(c)(6) Periodic inspection 2,446 citations
- 1910.147(c)(7)(i) 2,347 citations
- 1910.147(c)(6)(i) 2,024 citations
- 1910.147(c)(1) Energy control program 1,454 citations
- 1910.147(c)(4)(ii) 1,131 citations
- 1910.147(c)(7)(i)(A) 938 citations
- 1910.147(c)(6)(ii) 408 citations
- 1910.147(c)(5) Protective materials and hardware 350 citations
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Frequently asked questions
When is lockout/tagout retraining required?
When job assignments change, when changes in machines, equipment or processes present a new hazard, or when energy control procedures change.
Can an inspection trigger retraining?
Yes. Retraining is required when a periodic inspection reveals, or the employer believes, there are deviations or inadequacies in knowledge or use of the procedures.
What must retraining accomplish?
It must reestablish employee proficiency and introduce new or revised control methods and procedures as necessary.
About this page
Sources
- 29 CFR 1910.147 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly; data as of 2026-10-20
3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.