(e)
Pro Rating of Initial Adjustment.—
Notwithstanding subsection (b) but subject to subsection (f)(2), the retired pay of a member or former member of an armed force who first became a member of a uniformed service on or after August 1, 1986, and elected to receive a bonus under section
322 (as in effect before the enactment of the National Defense Authorization Act for Fiscal Year 2008) or section
354 of title
37 shall be increased on the effective date of the first adjustment of retired pay under subsection (b) after the member or former member becomes entitled to retired pay by the percent (adjusted to the nearest one-tenth of 1 percent) equal to the difference between—
(1)
the percent by which—
(A)
the price index for the base quarter of that year, exceeds
(B)
the price index for the calendar quarter immediately before the calendar quarter during which the member became entitled to retired pay; and
(2)
one-fourth of 1 percent for each calendar quarter from the quarter described in paragraph (1)(B) to the quarter described in paragraph (1)(A).
If in any case the percent described in paragraph (2) exceeds the percent determined under paragraph (1), such an increase shall not be made.