14 CFR § 63.12a - Refusal to submit to an alcohol test or to furnish test results.
---
identifier: "/us/cfr/t14/s63.12a"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 63.12a - Refusal to submit to an alcohol test or to furnish test results."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "63.12a"
section_name: "Refusal to submit to an alcohol test or to furnish test results."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "D"
subchapter_name: "AIRMEN"
part_number: "63"
part_name: "CERTIFICATION: FLIGHT CREWMEMBERS OTHER THAN PILOTS"
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. 106(f), 40113, 44701-44703, 44707, 44709-44711, 45102-45103, 45301-45302."
cfr_part: "63"
---
# 63.12a Refusal to submit to an alcohol test or to furnish test results.
A refusal to submit to a test to indicate the percentage by weight of alcohol in the blood, when requested by a law enforcement officer in accordance with § 91.11(c) of this chapter, or a refusal to furnish or authorize the release of the test results when requested by the Administrator in accordance with § 91.17 (c) or (d) of this chapter, is grounds for—
(a) Denial of an application for any certificate or rating issued under this part for a period of up to 1 year after the date of that refusal; or
(b) Suspension or revocation of any certificate or rating issued under this part.
[Docket 21956, 51 FR 1229, Jan. 9, 1986, as amended by Amdt. 63-27, 54 FR 34330, Aug. 18, 1989]