unacceptable performance
(2) For purposes of this title, the term “unacceptable performance” with respect to an employee of the Internal Revenue Service covered by a performance management system established under this section means performance of the employee which fails to meet a retention standard established under this section.
Source
5 USC § 9508(b)(2)
Scoping language
None identified, default scope is assumed to be the parent (chapter 95) of this section.