Use and collection of social security numbers
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) No denial of right, benefit, or privilege. Individuals may not be denied any right, benefit, or privilege as a result of refusing to provide their social security numbers, unless the collection is required by Federal statute; and
(b) Notification to individual. Individuals requested to provide their social security numbers must be informed of:
(1) Whether providing social security numbers is mandatory or voluntary;
(2) The statutory or regulatory authority that authorizes the collection of social security numbers; and
(3) The uses that will be made of the numbers.
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.