Section 29
SEC. 29. It shall be the duty of the owner or master of any vessel engaged in the coastwise trade to comply with the requirements of the tariff of maximum rates fixed by the Coastwise Rate Commission as hereinbefore provided, and in case of failure to provide transportation at the prescribed rate, the Collector of Customs for the Philippine Archipelago shall withdraw the license of the vessel to engage in the coastwise trade, and the offending vessel, if it thereafter engages in the coastwise trade, and its owner, master, and officers, shall he liable to the same penalties as those which are imposed upon any vessel, its owner, master, or officers, engaged in the coastwise trade without a license: Provided, however, That if an appeal be taken from the decision of the Coastwise Rate Commission and the tariff: fixed by it to the Court of Customs Appeals, as hereinafter provided, and the Court of Customs Appeals shall modify or change the maximum rates fixed by the Coastwise Rate Commission, then the maximum rates as modified by the Court of Customs Appeals shall he observed and obeyed by all vessels engaged in the coastwise trade, subject to the penalties hereinbefore provided for violation of the rates of the Coastwise Rate Commission.