5 CFR §330.610

1. (a)CTAP eligibility begins on the date the employee meets the definition of surplus or displaced in § 330.602.
2. (b)CTAP eligibility ends on the date the employee:
   1. (1)Separates from the agency either voluntarily or involuntarily;
   2. (2)Receives a notice rescinding, canceling, or modifying the notice which established CTAP eligibility so that the employee no longer meets the definition of surplus or displaced;
   3. (3)Is placed in another position within the agency at any grade or pay level, either permanent or time-limited, before the agency separates the employee; or
   4. (4)Is appointed to a career, career-conditional, or excepted appointment without time limit in any agency at any grade or pay level.