SECTION 1. Section one (j) of Act; Numbered Thirteen hundred and ten, entitled "An Act to encourage and aid the Philippine coastwise trade, to secure the carriage of mails, Government freight and passengers by commercial vessels under contract, to effect uniform reasonable rates for the Government and public, to increase the safety standards and service of contracting vessels, and for other purposes," is hereby amended to read as follows:
(j) Whenever required by the public interest, vessels belonging to the Insular Government shall be allowed to transport mails, passengers, and freight between points covered by vessels under contract, but provision may be made in the contract, that in any or all such cases an equitable portion of the net proceeds arising therefrom shall be turned over to the contracting parties affected by such vessels to contract carriage: Provided, That no payments shall be made to reimburse the contracting parties on account of any loss of business arising from the carnage of Government passengers and freight on Government vessels on any special trips in the customs or the light-house service or for any of the following purposes: Inspection; transporting lepers to Culion, or prisoners to Manila for execution; or transporting soldiers or material of war in cases of urgency."