29 CFR 1910 · General Industry · Subpart J

1910.146(f)(3): Permit Date and Duration

By Black Belt Safety Editorial Team Official text as of October 15, 2026 Data updated October 20, 2026 2 min read

In plain words:

Each confined space entry permit must show the date and the authorized duration of the entry permit.

Key takeaways

  • 1910.146(f)(3) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart J).
  • OSHA cited it 7 times in the last 3 years, in 7 inspections, with $28,240 in current penalties.
  • 1 death is linked to inspections that cited this rule.
  • Related part: 1910.146(f) Entry permit (113 citations).
  • Free 5-minute toolbox talk for your crew below.
7citations, 3 years
$28,240current penalties
7inspections
1linked deaths
In this article
  1. What this rule covers
  2. Official text
  3. Injuries linked to this rule
  4. Where and how often it was cited
  5. Free toolbox talk
  6. OSHA interpretation letters
  7. Related parts of this rule
  8. Get your crew competent
  9. Frequently asked questions
  10. About this page

What this rule covers

29 CFR 1910.146(f)(3) is one requirement inside 1910.146 Permit-required confined spaces, an OSHA general industry standard (Part 1910, Subpart J). 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

(3) The date and the authorized duration of the entry permit; 7 citations

Source: eCFR, text current as of 2026-10-15. Read all of 1910.146.

Injuries linked to this rule

1 death is linked to inspections where OSHA cited 1910.146(f)(3).

Employee dies from co exposure while cleaning bulk liquid ta
2023-12-23 · Fatal · LA PORTE, TX

At 12:07 p.m. on December 23, 2023, an employee working as an equipment washer for a contract tank service was cleaning a bulk liquid waste tank that had contained acetic acid. The employee was found unresponsive inside the tank. The employee was transported to the…

Where and how often it was cited

Free toolbox talk

A 5-minute crew talk on 1910.146(f)(3), plus alerts when this rule changes. Free.




OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1910.146(f)(3).

Related parts of this rule

Get your crew competent

Trainers on Black Belt Safety: Marc Harvey, Dana Reyes

Trainers and suppliers: feature your business on this rule for $25/month.

Frequently asked questions

What dates must be on an entry permit?

The date and the authorized duration of the entry permit.

Why does the permit show a duration?

So everyone knows how long the entry is authorized.

Is this one of the required permit items?

Yes, it is one of the items the entry permit must identify.

About this page

Sources

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.

Written and reviewed by

Black Belt Safety Editorial Team

Site Safety Officer and Safety Professional

OSHA 30 · CPR · USACE CQM

Written and reviewed by the Black Belt Safety team. Every post is checked against the OSHA standard or agency source it cites.

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