Section 2
SEC. 2. Paragraphs (b) (1) and (c) of section three of Republic Act Numbered Two hundred and ninety-one otherwise known as the "Armed Forces Officer Personnel Act of Nineteen hundred and forty-eight," are hereby amended to read as follows: "(b) (1) The authorized numbers in each of the several grades in each of the several promotion lists shall be prescribed by the Secretary of National Defense by a schedule of percentages in each grade for each list, which schedule of percentages may be different for each promotion list but the numbers thus authorized in each of the several grades in each of the several promotion lists, shall not exceed in any promotion list the following percentages of the total officer strength authorized for the Armed Forces: four per centum in grade of colonel, ten per centum in grade of lieutenant-colonel, sixteen per centum in grade of major, twenty-one per centum in grade of captain, and forty-eight and one-half per centum in the combined grades of first and second lieutenants: Provided, That in the Medical Corps, Dental Corps, Judge Advocate General's Service and Chaplain Service there shall be no second-lieutenants, and the numbers authorized in the grade of first lieutenant in such promotion list shall be all those not authorized in higher grade: Provided, further, That numbers may be authorized for any grade in any promotion list in lieu of authorizations in higher grades: And provided, further, That this provision shall not operate to require a reduction in permanent grade of any officer in any promotion list now holding permanent appointment in any grade. "(c) Promotion Lists. (1) The Regular Force promotion list shall contain the names of all promotion list officers except officers of the Air Force, Navy, Judge Advocate General's Service, Chaplain Service, and the several corps of the Medical Service. "(2) The Air Force promotion list shall contain the names of all promotion list officers of the Air Force. "(3) The Navy promotion list shall contain the of all promotion list officers of the Navy. "(4) The Judge Advocate General's Service promotion list shall contain the names of all promotion list officers of the Judge Advocate General's Service. "(5) The Medical Corps promotion list shall contain the names of all promotion list officers of the Medical Corps, "(6) The Dental Corps promotion list shall contain the names of all promotion list officers of the Dental Corps, "(7) The Veterinary Corps promotion list shall contain the names of all promotion list officers of the Veterinary Corps. "(8) The Medical Administrative Corps promotion list shall contain the names of all promotion list officers of the Medical Administrative Corps. "(9) The Nurse Corps promotion list shall contain the names of all promotion list officers of the Nurse Corps. "(10) The Chaplain Service promotion list shall contain the names of all promotion list officers of the Chaplain Service."