46 CFR § 531.11 - Implementation.

---
identifier: "/us/cfr/t46/s531.11"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 531.11 - Implementation."
title_number: 46
title_name: "Shipping"
section_number: "531.11"
section_name: "Implementation."
chapter_name: "FEDERAL MARITIME COMMISSION"
subchapter_number: "B"
subchapter_name: "REGULATIONS AFFECTING OCEAN SHIPPING IN FOREIGN COMMERCE"
part_number: "531"
part_name: "NVOCC SERVICE ARRANGEMENTS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 40103."
regulatory_source: "69 FR 75853, Dec. 20, 2004, unless otherwise noted."
cfr_part: "531"
---


# 531.11 Implementation.

*Generally.* Performance under an NSA or amendment thereto may not begin before the day it is effective.

[83 FR 34792, July 23, 2018]