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DOT Compliance Blog & Articles

Practical, plain-English articles for motor carriers, brokers, owner-operators, and DOT-regulated employers. Every post is dated and tied to specific CFR sections, so you can verify with FMCSA before acting. We update content when regulations change, and we date-stamp every update. Browse by category below, search by topic, or download our 2026–2027 DOT Compliance Calendar to keep every recurring deadline in one place. New here? Start with UCR 2026, the Motus transition, or the MCS-150 biennial update guide.

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FMCSA’s Non-Domiciled CDL Rule Took Effect March 16, 2026. Here’s What Your Driver Qualification File Process Needs to Change

FMCSA Enforcement FMCSA’s Non-Domiciled CDL Rule Took Effect March 16, 2026. Here’s What Your Driver Qualification File Process Needs to […]

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English Language Proficiency Is Now a Federal Out-of-Service Violation. Here’s How to Protect Your Drivers.

The ELP requirement at 49 CFR §391.11(b)(2) has been on the books since 1937, but enforcement changed dramatically in 2025–2026. After 12,000+ OOS placements and federal statutory codification, here's what carriers and drivers need to know.
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Medical Marijuana Cards Still Don’t Work for CDL Drivers — Even After DEA Rescheduling. Here’s Why.

On April 28, 2026, the DEA rescheduled state-licensed marijuana to Schedule III. Seventeen days later, ODAPC posted a Part 40 Q&A confirming what didn't change. Here's what every CDL driver, DER, and MRO needs to know.
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Oral Fluid Rule Takes Effect June 10, 2026: What DOT-Regulated Carriers Must Do Right Now

The DOT's Final Rule on oral fluid testing (FR 2026-09290) becomes effective June 10, 2026. Here's the DER protocol change, the terminology updates, and the 18-month grace period explained in plain English.
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