customs official upon arrival in ports of the Philippine Islands, a complete list of all ship's stores then on board. If the vesse l does not carry cargo, passengers, or immigrants, there must still be a manifest showing that no cargo is carried from the port of departure to the port of destination in the Philippine Islands. A cargo manifest shall in no case be changed or altered, except after entry of the vessel, by means of an amendment by the master, consignee, or agent thereof, under oath, and attached to the original manifest. [355-77; 1235-2; Comp., 1458.] SECTION  1381 . Manifests for Auditor and Collector — Papers to be Deposited with Consul.  — Immediately after the arrival of a vessel from a foreign port, the master shall deliver or mail to the Insular Auditor, Manila, a copy of the cargo manifest properly  indorsed by the boarding officer; and within twenty-four hours after arrival he shall present to the collector of customs the original copy of the cargo manifest and, for inspection, the ship's register or other document in lieu thereof, together with the  clearance and other papers granted to the vessel at the port of departure for the Philippine Islands. If the vessel does not depart within forty-eight hours from the time of its arrival, the register and other shipping documents shall be deposited with the consul of the nation to which the vessel belongs. The person acting for the vessel in the matters above specified shall furnish such evidence as may be required by the collector showing that the manifest has been supplied to the Auditor and, in a proper case, that the register has been deposited with the  consul. [355-78, 91; Cooley's Blackstone, p. 255.] SECTION  1382 . Requirement as to Delivery of Mail.  — A vessel arriving within a collection district in the Philippine Islands shall not be permitted to make entry or break bulk until it is made to appear, to the satisfaction of the collector of customs, tha t the master, consignee, or agent of the vessel is ready to deliver to the postmaster of the nearest post office all mail matter on board of such vessel and destined for that port. Collectors are authorized to examine and search vessels for mail matter car ried contrary to law. [355-92; Cooley's Blackstone, p. 257.] SECTION  1383 . Time for Unlading of Cargo . — Merchandise brought in a vessel from a foreign port shall not be unladen except during regular working hours on regular work days, without permission of the collector of customs and the Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 406