Length of the probationary period
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
The authority to determine the length of the probationary period is delegated to the head of each agency, provided that it be of reasonable fixed duration, appropriate to the position, and uniformly applied. An agency may establish different probationary periods for different occupations or a single one for all agency employees.
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.