bona fide occupational qualification
noun[C]
HR,LAWukus(abbreviationBFOQ)areasonemployersin the US can give foremployingsomeone from aparticularreligious,age, etc.groupif they canprovethatpeoplewho do notbelongto thatgroupwould not besuitablefor thejob:
Beingfemaleis not abonafideoccupationalqualificationfor thejobofflightcabinattendant.