In this subpart:

(a) A direct-hire authority permits hiring without regard to the provisions of 5 U.S.C. 3309 through 3318; part 211 of this chapter; and subpart A of part 337 of this chapter.

(b) A severe shortage of candidates for a particular position or group of positions means that an agency is having difficulty identifying candidates possessing the competencies or the knowledge, skills, and abilities required to perform the job requirements despite extensive recruitment, extended announcement periods, and the use, as applicable, of hiring flexibilities such as recruitment or relocation incentives or special salary rates.

(c) A critical hiring need for a particular position or group of positions means that an agency has a need to fill the position(s) to meet mission requirements brought about by circumstances such as, but not limited to, a national emergency, threat, potential threat, environmental disaster, or unanticipated or unusual event or mission requirement, or to conform to the requirements of law, a Presidential directive or Administration initiative.