if the average number on that list during that fiscal year does not exceed the authorized number. (e) Positions of importance and responsibility Officers serving in positions designated under section 228(a) and officers recalled from retired status shall not be counted when computing authorized strengths under subsection (c) and shall not count against those strengths. (f) Preservation of grade and pay No officer may be reduced in grade or pay or separated from the commissioned officer corps of the Administration as the result of a computation made to determine the authorized number of officers in the various grades. . 102. Recalled officers (a) In general Section 215 ( 33 U.S.C. 3005 ) is amended to read as follows: 215. Number of authorized commissioned officers (a) In general The total number of authorized commissioned officers on the lineal list of the commissioned officer corps of the Administration shall not exceed 500. (b) Positions of importance and responsibility Officers serving in positions designated under section 228 and officers recalled from retired status or detailed to an agency other than the Administration— (1) may not be counted in determining the total number of authorized officers on the lineal list under this section