Section 143.520 - Towing vessels built to American Boat and Yacht Council standards(a) Except as noted in paragraphs (b) and (c) of this section, a new towing vessel 65 feet (19.8 meters) or less in length built to conform with the American Boat and Yacht Council (ABYC) standards listed in this paragraph (a) (incorporated by reference, see § 136.112 of this subchapter), complies with this subpart:(1) E-11 (2003)-AC & DC Electrical Systems on Boats;(2) H-2 (2002)-Ventilation of Boats Using Gasoline;(2) H-22 (2005)-Electric Bilge Pump Systems;(3) H-24 (2007)-Gasoline Fuel Systems;(4) H-25 (2003)-Portable Gasoline Fuel Systems;(5) H-32 (2004)-Ventilation of Boats Using Diesel Fuel;(6) H-33 (2005)-Diesel Fuel Systems;(7) P-1 (2002)-Installation of Exhaust Systems for Propulsion and Auxiliary Engines; and(8) P-4 (2004)-Marine Inboard Engines and Transmissions.(b) New towing vessels, 65 feet or less in length, built to the ABYC standards specified in this section are considered compliant with subpart B of this part except for the readiness and testing requirements of § 143.245 .(c) If the vessel moves tank barges carrying oil or hazardous material in bulk, it must meet either the requirements described in §§ 143.585 through 143.595 or the requirements described in § 143.600 .