(8)
Each employee of an organizational or functional unit of the Department of Defense that is included in the National Security Personnel System who receives a performance rating above unacceptable or who does not have a current rating of record for the most recently completed appraisal period shall receive—
(A)
locality-based comparability payments under section
5304 and section
5304a in the same manner and to the same extent as employees under the General Schedule; or
(B)
the full measure of any other local market supplement applicable to the employee if locality-based comparability payments referred to in subparagraph (A) are not generally applicable to the employee.
Nothing in this paragraph shall be construed to make locality-based comparability payments or other local market supplements payable to any category of employees or positions which were ineligible for such payments or supplements (as the case may be) as of the day before the date of the enactment of the National Defense Authorization Act for Fiscal Year 2004.