Physical requirements
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
(a) An agency may establish physical requirements for individual positions without OPM approval when such requirements are considered essential for performance of the duties of a specific position. Physical requirements must be clearly supported by the actual duties of the position, documented in the position description, and supported by a study(ies) or evaluation(s) establishing physical requirement(s) is job-related to the occupation(s).
(b) An applicant or employee may not be disqualified arbitrarily on the basis of physical requirements or other criteria that do not relate specifically to performance of the duties of a specific position.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.