49 CFR § 199.223 - Refusal to submit to a required alcohol test.

---
identifier: "/us/cfr/t49/s199.223"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 199.223 - Refusal to submit to a required alcohol test."
title_number: 49
title_name: "Transportation"
section_number: "199.223"
section_name: "Refusal to submit to a required alcohol test."
chapter_name: "PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "D"
subchapter_name: "PIPELINE SAFETY"
part_number: "199"
part_name: "DRUG AND ALCOHOL TESTING"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 5103, 60102, 60104, 60108, 60117, and 60118; 49 CFR 1.53."
regulatory_source: "53 FR 47096, Nov. 21, 1988, unless otherwise noted."
cfr_part: "199"
---


# 199.223 Refusal to submit to a required alcohol test.

Each operator shall require a covered employee to submit to a post-accident alcohol test required under § 199.225(a), a reasonable suspicion alcohol test required under § 199.225(b), or a follow-up alcohol test required under § 199.225(d). No operator shall permit an employee who refuses to submit to such a test to perform or continue to perform covered functions.