Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.401.34 Vessels in tow

(a) No vessel that is not self-propelled (including but not limited to tug/tows and/or dead ship/tows) shall be underway in any Seaway waters unless it is securely tied to an adequate tug or tugs, in accordance with special instructions given by the Manager or the Corporation pursuant to § 401.33 and must be equipped with an operational anchor.

(b) Every vessel in tow has to be inspected prior to every transit unless it has a valid Seaway Inspection Certificate. The owner/master shall give a 24 hour notice of arrival when an inspection is required.