No vessel other than a vessel documented for the coastwise trade, or which would be entitled to be so documented except for its tonnage (see Sec. 4.80), may tow a vessel other than a vessel in distress between points in the U.S. embraced within the coastwise laws, or for any part of such towing (46 U.S.C. App. 316(a)). The penalties for violation of this provision are a fine of from $350 to $1100 against the owner or master of the towing vessel and a further penalty against the towing vessel of $60 per ton of the towed vessel (46 U.S.C. App. 316(a), as adjusted by the Federal Civil Penalties Inflation Adjustment Act of 1990). [T.D. 93-12, 58 FR 13197, Mar. 10, 1993, as amended by T.D. 03-11, 68 FR 13820, Mar. 21, 2003; CBP Dec. 08-25, 73 FR 40725, July 16, 2008]