161.4—Requirement to carry the rules.
Each VTS User shall carry on board and maintain for ready reference a copy of these rules.
Code of Federal Regulations
Note:
These rules are contained in the applicable U.S. Coast Pilot, the VTS User's Manual which may be obtained by contacting the appropriate VTS, and periodically published in the Local Notice to Mariners. The VTS User's Manual and the World VTS Guide, an International Maritime Organization (IMO) recognized publication, contain additional information which may assist the prudent mariner while in the appropriate VTS area.