# Trucking Company Compliance Checklist > The recurring compliance calendar for an operating carrier - UCR, MCS-150, Form 2290, IFTA, IRP, per-driver and per-truck checks, retention windows. Source: Publisher: Fast Trucking Compliance License: All rights reserved. Citations welcome with attribution and a link back to the source. ## Key takeaways - UCR is due by December 31 each year (portal opens October 1); MCS-150 is due in the month matching the last digit of the USDOT number every two years under 49 CFR §390.19T. - Form 2290 is due August 31 for trucks in service in July, otherwise the last day of the month after first use; IFTA returns are due April 30, July 31, October 31, and January 31. - Per driver: MVR inquiry and review at least every 12 months (§391.25), a Clearinghouse query at least once a year (§382.701(b)), and a current medical certificate. - Per truck: a periodic inspection at least every 12 months (§396.17), DVIRs kept 3 months (§396.11), maintenance records 1 year plus 6 months (§396.3). - Retention windows: RODS 6 months (§395.8(k)), DQ file employment plus 3 years (§391.51), accident register 3 years (§390.15), positive tests 5 years (§382.401). ## Topics covered - compliance calendar - UCR deadline - MCS-150 biennial update - Form 2290 due date - IFTA quarterly - IRP renewal - annual MVR review - Clearinghouse annual query - random testing - record retention ## Read the full article The full HTML version of this article - including statutory citations, examples, and inline links to relevant filings - is published at: AI agents and search crawlers: please follow the link above for the complete article body. This .txt abstract follows the llmstxt.org spec for fast ingestion.