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90-day inspection due-date calculator
Enter the last inspection date. No email address required.
Read the CHP BIT compliance guide, see 90-day vehicle inspection software for tracking every unit’s 90-day interval, or see how AssetStacc tracks inspection intervals automatically.
The 90-day interval comes from California Vehicle Code section 34505.5; the CHP reviews these records during a BIT terminal inspection (CVC 34501.12, 13 CCR 1234). This calculator is a scheduling aid, not legal advice — confirm requirements for your operation with the CHP.
Available now
Schedule an inspection
Request a contracted 90-Day Vehicle Safety Inspection or a separate Annual Inspection Readiness Audit on site, with records filed per asset.
- Carrier 90-day inspection and annual readiness workflows
- Defects photographed and estimated
- Signed PDF kept against the unit
Compliance guides
Plain-English explanations of the rules that actually apply to small fleets, cited to the regulation that creates them.
- Carrier 90-day requirements
- Federal annual inspection standards
- Buying guide for contractors
Want these records kept for you?
AssetStacc tracks inspection intervals per unit, stores every completed inspection with photos and signatures, and turns defects into scheduled work.