Be it enacted by the Senate and House of Representatives of the Philippines in Legislature assembled and by the authority of the same:

SECTION 1. Subsection (a) of section three of Act Numbered Thirty-one hundred and seventy-three, as amended by Act Numbered Thirty-six hundred and eleven, is hereby further amended to read as follows:

"(a) Compensation upon retirement.—When (a) any officer of the Philippine Health Service, such as the Director, Assistant Director, chiefs of divisions, chiefs of office and district inspectors and any other medical officers, commissioned or noncommissioned; (b) any pharmacist, dentist, sanitary engineer or assistant sanitary engineer, hospital superintendent, nurse, sanitary inspector or assistant sanitary inspector, disinfector or assistant disinfector, chief or assistant chief of party, or supervisor of vaccinators, and insular or provincial vaccinator, with civil service appointment, belonging to the Philippine Health Service, shall have had twenty or more years of actual service, not having been meanwhile separated from the service for cause, he or she may, upon making application therefor, be retired from active service by the Department Head; and when so retired shall receive until his or her death from the retirement fund above specified an annual compensation equal to two and one-half per cent, for each year's active service theretofore rendered by such officer, of the salary, properly speaking, exclusive of additional pay and other emoluments such as commutation of quarters, subsistence, and laundry, received by such officer at the time he or she is retired; but in no case shall this retirement pay exceed seventy-five per cent of such salary: Provided, That in computing the length of an officer's term of service the years served in any capacity under the various succeeding health organizations antedating the Philippine Health Service, shall be duly credited to such term of service: Provided, further, That whenever any person is readmitted to the Philippine Health Service after the approval of this Act, no period of his services rendered prior to his separation therefrom shall be credited to him for the purposes of this Act."

SEC. 2. This Act shall take effect on its approval.

Approved, November 16, 1931.