61 STAT.] 80TH CONG., IST SESS.-CH. 512-AUG. 7, 1947 he has had not less than two years' sea or foreign service in the grade in which serving and on the promotion list for that grade: Provided, That the qualification of sea or foreign service shall not apply to officers restricted by law to the performance of engineering duty only, aeronautical engineering duty only, or special duty only: And pro- vided further, That the Secretary of the Navy shall determine the types of duty which may be counted for the purposes of this paragraph. (b) The following provisions shall relate to staff officers: (1) Officers recommended for temporary 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 temporary promotion 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 temporary promotion to the grade for which selected when the line officer who, pursuant to sub- section (d) of this section, is to be his running mate in the higher grade becomes eligible for temporary promotion to that grade. When temporarily 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 temporarily promoted to the grade of captain and officers of the Nurse Corps temporarily 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 temporary promotion thereto. (2) Temporary promotion to fill vacancies in the grade of captain in the Medical Service Corps and to the grades of commander and lieutenant commander in the Nurse Corps shall be made from among officers whose names appear on the promotion list for the grade con- cerned. When so promoted each such officer shall have the same date of rank which has been, or in due course will be, given the line officer who is to be his running mate in the grade to which promoted, but no increased pay or allowances shall accrue to such officer by virtue of his temporary promotion prior to the date of occurrence of the vacancy which he is promoted to fill or prior to the date of his selection for promotion, whichever shall be later. (3) The names of officers recommended by a board for temporary promotion to the grade of rear admiral, and approved by thie President, shall be placed upon a promotion list and temporary promotions to fill vacancies shall be made from officers whose names appear on the promotion list: Provided, That when so promoted each such officer shall have the same date of rank given to the running mate assigned him in the grade of rear admiral upon the running mate's temporary promotion to that grade: Provided further,That if such running mate shall not have been promoted, the staff officer shall be given as his date of rank the date of the occurrence of the vacancy which he is promoted to fill until such running mate shall have been promoted to the grade of rear admiral, at which time the staff officer shall be given a new commission with the same date of rank given to such running mate upon the latter's temporary promotion to rear admiral: And provided further, That each staff officer promoted to the grade of rear admiral shall be entitled to the pay and allowances of that grade only from the date of the occurrence of the vacancy which he is promoted to fill. (c) The follbwing provisions shall relate to line and staff officers as indicated: (1) The President may remove the name of any officer of the line or of a staff corps from the promotion list. An officer whose name is so removed from the promotion list or one whose appointment is 853 Temporary promo- tions. Grades below rear admiral Reor admiral& Date of rank Pay and allowances. Removal from pro- motion list.
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