DOT drug and alcohol testing programs are not just about conducting tests. Employers must also maintain accurate and complete records to prove compliance with federal regulations.
In 2026, recordkeeping remains one of the most common areas where employers face compliance issues. Missing documentation, incorrect storage, or incomplete records can lead to penalties during audits.
This guide explains what employers must document, how long records must be kept, and how to stay compliant under DOT regulations.
Post-accident testing refers to drug and alcohol tests conducted after certain accidents involving employees who perform safety-sensitive duties.
The goal of these tests is to determine whether alcohol or controlled substances may have contributed to the accident.
For commercial motor vehicle drivers, the Federal Motor Carrier Safety Administration (FMCSA) provides additional guidance on when testing is required.
DOT regulations require employers to maintain detailed records of their drug and alcohol testing programs.
These records serve several purposes:
Failure to maintain proper records can result in violations, even if testing was conducted correctly.
Employers must keep several categories of records related to drug and alcohol testing.
Employers must maintain records of all drug and alcohol test results, including:
These records confirm that required testing has been conducted.
Each DOT drug test must include a chain-of-custody form (CCF). This document tracks the handling of the specimen from collection to laboratory analysis.
It ensures the integrity of the test and verifies that proper procedures were followed.
Employers must document their random testing programs, including:
These records demonstrate that employees were selected randomly in accordance with DOT requirements.
These records are required for compliance audits.
If an employee violates DOT drug and alcohol rules, employers must maintain records related to:
These records confirm that the employee completed required steps before returning to safety-sensitive duties.
According to federal requirements, employers must retain records for:
These timelines are defined in DOT regulations and supported by FMCSA compliance guidance.
DOT allows employers to maintain records in either paper or electronic format.
Electronic recordkeeping systems are increasingly used because they simplify storage, retrieval, and audit preparation.
Drug and alcohol testing records contain sensitive employee information.
DOT regulations require employers to:
Improper handling of records can lead to compliance violations and legal risks.
Employers often face compliance issues due to recordkeeping errors.
These issues can result in penalties even when testing programs are otherwise compliant.
Managing DOT recordkeeping can be complex, especially for companies with large or multi-state fleets.
Testing providers help employers:
Employers should focus on:
Proper recordkeeping reduces risk and supports safer operations.
DOT recordkeeping is a critical part of compliance, not just an administrative task.
Employers must maintain detailed records of testing activities, follow required retention timelines, and ensure confidentiality of sensitive information.
By maintaining accurate records and following DOT regulations, employers can stay compliant, avoid penalties, and support safer transportation operations.
Employers must maintain records of drug and alcohol test results, chain-of-custody forms, random testing selections, supervisor training, and any Substance Abuse Professional (SAP) documentation related to violations and return-to-duty processes.
Retention depends on the type of record. Positive results, refusals, and SAP records must be kept for five years. Testing process records and training records must be kept for two years. Negative and canceled test results must be kept for one year.
Yes, DOT allows both paper and electronic recordkeeping. However, records must be secure, confidential, and easily accessible for inspection when required.
Access is limited to authorized personnel only. Employers can release records to DOT agencies, auditors, or other authorized parties under specific conditions defined by federal regulations.
