29 CFR § 1206.3 - Age of authorization cards.

---
identifier: "/us/cfr/t29/s1206.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "29 CFR § 1206.3 - Age of authorization cards."
title_number: 29
title_name: "Labor"
section_number: "1206.3"
section_name: "Age of authorization cards."
chapter_name: "NATIONAL MEDIATION BOARD"
part_number: "1206"
part_name: "HANDLING REPRESENTATION DISPUTES UNDER THE RAILWAY LABOR ACT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "44 Stat. 577, as amended; 45 U.S.C. 151-163."
regulatory_source: "12 FR 3083, May 10, 1947, unless otherwise noted. Redesignated at 13 FR 8740, Dec. 30, 1948."
cfr_part: "1206"
---


# 1206.3 Age of authorization cards.

Authorizations must be signed and dated in the employee's own handwriting or witnessed mark. No authorizations will be accepted by the National Mediation Board in any employee representation dispute which bear a date prior to one year before the date of the application for the investigation of such dispute.