Section 17
SEC. 17. Vessels operating under a special coastwise license shall be permitted to carry coastwise cargoes from one port of entry to another simultaneously with foreign cargoes, provided that either all of snob coastwise merchandise or all of such foreign merchandise be contained in separate holds or compartments, which may be securely fastened and sealed in a manner satisfactory to the customs authorities, and the simultaneous transportation of foreign and coastwise cargoes shall be subject generally to such limitations, bonds, and regulations as the Collector of Customs for the Philippine Archipelago may prescribe.