; and (2) make selections and recommendations to the Secretary and the President for the appointment, promotion, involuntary separation, continuation, and involuntary retirement of officers in the commissioned officer corps of the Administration as prescribed in this title. (d) Action on recommendations not acceptable If any recommendation by a board convened under subsection (a) is not accepted by the Secretary or the President, the board shall make such further recommendations as the Secretary or the President considers appropriate. . 303. Delegation of authority Section 226 ( 33 U.S.C. 3026 ) is amended— (1) by striking Appointments and inserting the following: (a) In general Appointments ; and (2) by adding at the end the following: (b) Delegation of appointment authority If the President delegates authority to the Secretary to make appointments under this section, the President shall, during a period in which the position of the Secretary is vacant, delegate such authority to the Deputy Secretary of Commerce or the Under Secretary for Oceans and Atmosphere during such period. . 304. Assistant Administrator of the Office of Marine and Aviation Operations Section 228(c) ( 33 U.S.C. 3028(c) ) is amended— (1) in the fourth sentence, by striking Director and inserting Assistant Administrator