Deadlines and filing
When is the OSHA 300A due?
Post February 1 through April 30, e-file by March 2. Who signs, where it hangs, the late fix.
Read the guide →Who has to e-file injury data?
The ITA rule: 20-employee threshold, designated industries, and how the March 2 submission works.
Read the guide →The forms
300 vs 301 vs 300A
One log, one incident report per case, one signed annual summary. Which is which.
Read the guide →How to fill out the 300 log
Every column from A to M, including the day-count rules that trip people up.
Read the guide →Fillable OSHA forms
The official free PDFs on osha.gov, their quirks, and the online version that does the math.
Read the guide →Excel, PDF, paper, or software?
Every way to keep the 300 log, each with its honest failure mode.
Read the guide →What goes on the log
Recordable or first aid?
The six outcomes that make a case recordable and the complete 14-item first aid list.
Read the guide →What's a privacy case?
Six categories where the name stays off the log, and the confidential list you keep instead.
Read the guide →Coverage and housekeeping
Who's exempt from recordkeeping?
The 10-employee exemption, the low-hazard industry list, and the reporting duties nobody escapes.
Read the guide →The 5-year retention rule
What you keep, for how long, what must stay updated, and what happens when the business sells.
Read the guide →What OSHA fines are in 2026
The current maximums from osha.gov, what they mean, and what actually gets assessed.
Read the guide →Safety rates
How to calculate TRIR
The formula, a worked example, 2024 BLS benchmarks, and what GCs consider good.
Read the guide →TRIR & DART calculator
Skip the arithmetic: the free calculator, right on this site.
Open the calculator →Or stop being the person who has to know all this
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These guides explain federal OSHA recordkeeping (29 CFR Part 1904) for private employers. State Plan states enforce their own substantially identical rules. SiteSafetyHQ is an independent product, not affiliated with OSHA; guides are workflow help, not legal advice. Rules live at osha.gov/recordkeeping.