PUBLIC LAWS-CH. 512-AUG. 7, 1947 Ante, p. 819. Submission to Presi dent. Promotion lt. Medical Servie and Nurse Corps. (e) The selection board shall also report the names of any officers among those eligible for consideration and of less than twenty years' service whose reports and records in its opinion indicate their unsatisfactory performance of duty in their present grades and in its opinion indicate that they would not satisfactorily perform the duties of a higher grade. REPORTS OF SELECTION BOARDS SEC. 210. (a) The report of the board shall be in writing, signed by all the members thereof, and shall certify that the board has carefully considered the case of every officer whose name was furnished the board by the Secretary of the Navy, as provided in section 208 of this title, and that, in the opinion of at least two-thirds of the members, the officers therein recommended, if of the grade of lieutenant com- mander or above, if of the grade of lieutenant or lieutenant (junior grade) in the Supply Corps or Civil Engineer Corps, or if of the grade of lieutenant in the Nurse Corps, are, subject to the limitations prescribed in subsection 209 (a) of this title, selected as the best fitted to assume the duties of the next higher grade, and, if of the grade of lieutenant or lieutenant (junior grade) in the Medical Corps, Chap- lain Corps, Dental Corps, or Medical Service Corps, or if of the grade of lieutenant (junior grade) in the Nurse Corps, are selected as fitted to assume the duties of the next higher grade. The report of a board convened to recommend captains for continuation on the active list shall certify that, in the opinion of at least two-thirds of the members, if the board has more than five members, and, if the board has five members or less, in the opinion of at least a majority of the members, the officers therein recommended are selected as the best fitted for continued service on the active list. (b) The report of the board shall be submitted to the President for approval or disapproval: Provided, That in case any officer or officers recommended by the board for promotion, or, in the case of captains, for continuation on the active list, be not acceptable to the President, the board shall be informed of the name of such officer or officers and shall recommend a number of officers for promotion or for continuation on the active list, as the case may be, equal to the number of those found not acceptable to the President, and, if neces- sary, the board shall be reconvened for this purpose. PROMOTION OF OFFICERS; PRECEDENCE; RUNNING MATES SEa. 211. (a) (1) Officers recommended for promotion to a grade below rear admiral in the report of a selection board, as approved by the President, shall be regarded as having been selected for pro- motion and their names shall be placed upon a promotion list for the grade concerned. Each such officer except a commander of the Medical Service Corps or a lieutenant commander or lieutenant of the Nurse Corps, shall become eligible for promotion to the grade for which selected when the line officer who, pursuant to subsection (h) of this section, is to be his running mate in the higher grade becomes eligible for promotion to that grade. When promoted, the staff officer shall be assigned the same date of rank which has been or, in due course, will be, given to such running mate in such higher grade and, except officers of the Medical Service Corps promoted to the grade of captain and officers of the Nurse Corps promoted to the grades of commander and lieutenant commander, shall be entitled to the pay and allowances of the higher grade from the date upon which such running mate became eligible for promotion thereto. (2) Promotions to fil vacancies in the grade of captain in the Medical Service Corps and to the grades of commander and lieutenant 822 [61 STAT.