49 CFR § 1503.621 - Amendment of pleadings.

---
identifier: "/us/cfr/t49/s1503.621"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 1503.621 - Amendment of pleadings."
title_number: 49
title_name: "Transportation"
section_number: "1503.621"
section_name: "Amendment of pleadings."
chapter_name: "TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "A"
subchapter_name: "ADMINISTRATIVE AND PROCEDURAL RULES"
part_number: "1503"
part_name: "INVESTIGATIVE AND ENFORCEMENT PROCEDURES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: ": 6 U.S.C. 1142; 18 U.S.C. 6002; 28 U.S.C. 2461 (note); 49 U.S.C. 114, 20109, 31105, 40113-40114, 40119, 44901-44907, 44939, 46101-46107, 46109-46110, 46301, 46305, 46311, 46313-46314; Pub. L. 110-53 (121 Stat. 266, Aug. 3, 2007) secs. 1408 (6 U.S.C. 1137), 1501 (6 U.S.C. 1151), 1517 (6 U.S.C. 1167), and 1534 (6 U.S.C. 1184)."
regulatory_source: "74 FR 36039, July 21, 2009, unless otherwise noted."
cfr_part: "1503"
---


# 1503.621 Amendment of pleadings.

(a) *Filing and service.* A party must file the amendment with the Enforcement Docket Clerk and must serve a copy of the amendment on the ALJ and all parties to the proceeding.

(b) *Time.* A party must file an amendment to a complaint or an answer within the following:

(1) Not later than 15 days before the scheduled date of a hearing, a party may amend a complaint or an answer without the consent of the ALJ.

(2) Less than 15 days before the scheduled date of a hearing, the ALJ may allow amendment of a complaint or an answer only for good cause shown in a motion to amend.

(c) *Responses.* The ALJ must allow a reasonable time, but not more than 20 days from the date of filing, for other parties to respond if an amendment to a complaint, answer, or other pleading has been filed with the ALJ.