5 CFR 630.1118: Protection against coercion.

(a) An employee may not directly or indirectly intimidate, threaten, or coerce, or attempt to intimidate, threaten, or coerce, any emergency leave donor or emergency leave recipient for the purpose of interfering with any right such employee may have with respect to donating, receiving, or using annual leave under this subpart.

(b) For the purpose of paragraph (a) of this section, the term “intimidate, threaten, or coerce” includes promising to confer or conferring any benefit (such as appointment or promotion or compensation) or effecting or threatening to effect any reprisal (such as deprivation of appointment, promotion, or compensation).