PUBLIC LAWS-CH. 512 -AUG. 7 , 1947 junior in the permanent grade of colonel whose name is not carried on the recommended list for promotion to the grade of colonel and the names of additional such officers in the order that their names appear next below his on that promotion list, as the Secretary of War may prescribe, and until June 30, 1948, in addition thereto may include the names of any officers in permanent grade below that of colonel who served during the current war in any general officer grade under tem- porary appointment. From among the officers named for considera- tion, the designated selection board shall select and recommend the prescribed number. The officers selected and recommended shall be those who, in the opinion of the board, are the best qualified officers of election for serice those listed for consideration: Provided,That whenever in the opinion sid brane. of the Secretary of War the number of officers in the permanent grade of colonel in each of the several branches included in the Army pro- motion list is or may become seriously unbalanced, he may, in his discretion, direct that, of the officers to be selected and recommended for the grade of colonel, specified numbers be selected for service in Air orps. specified branches: And provided further, That whenever in the opinion of the Secretary of War in the Air Corps promotion list, there is or will be an inadequate number of officers, in the permanent grade of colonel, possessing certain special qualifications required for the Air Corps, he may, in his discretion, direct that, of the officers to be selected and recommended for the grade of colonel, specified numbers possess certain specified qualifications. ndedst reom- (c) The names of officers of any promotion list who are selected and recommended for promotion to the grade of colonel in the Regular Army shall be carried on a permanent recommended list of officers of that promotion list for promotion to that grade. The names of those recommended by any selection board shall be entered on the applicable recommended list at the foot thereof in the same precedence standing among themselves as exists on the applicable promotion list. No officer of any recommended list shall be appointed in the grade of colonel ahead of any other officer whose name appears above his on such rec- ommended list. Officers whose names are carried on any such recom- mended list may be promoted and appointed in the grade of colonel only when there is a vacancy in the number authorized for that grade in that promotion list. Promotion appointments to fill vacancies in the grade of colonel in the Regular Army may be made at any time, but it is not mandatory that authorized numbers in that grade in the several promotion lists be maintained. Ratio ete. (d) The ratio of the number of officers of any promotion list which the Secretary of War names for consideration by any selection board for promotion to the grade of colonel in the Regular Army, to the number of officers which he directs such selection board to select from among those so named, may be as desired by the Secretary of War but no officer shall be considered or selected by any selection board more than two years prior to the date on which it is anticipated he will, if Comp'tio of year's selected, be appointed in that grade. After June 30, 1949, officers must ion,.etc. have completed at least one year's service under permanent appoint- ment in the grade of lieutenant colonel in the Regular Army before being nominated or appointed in the grade of colonel in the Regular Army. Promotion-list of- fcers. REGULAR ARMY OFFICERS-PROMOTION TO GRADE OF BRIGADIER GENERAL SEC. 511. (a) After the date of enactment of this Act, promotion-list officers shall be promoted to and appointed in the permanent grade of brigadier general in the Regular Army only as hereinafter in this section prescribed, except in those cases governed by the provisions 898 [61 STAT.