33 C.F.R. § 148.310 How long does a license last?
Title 33 - Navigation and Navigable Waters
Each license remains in effect indefinitely unless: (a) It is suspended or revoked by MARAD; or (b) It is surrendered by the owner.
Title 33: Navigation and Navigable Waters
PART 148—DEEPWATER PORTS: GENERAL
Subpart D—Licenses
§ 148.310 How long does a license last?

