§ 83.9 Social Security number.
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) GAO may not require individuals to disclose their Social Security Number (SSN) unless disclosure would be required—
(1) Under Federal statute; or
(2) Under any statute, executive order, or regulation that authorizes any Federal, State, or local agency maintaining a system of records that was in existence and operating prior to January 1, 1975, to request the SSN as a necessary means of verifying the identity of an individual.
(b) Individuals asked to voluntarily provide their SSN shall suffer no penalty or denial of benefits for refusing to provide it.
(c) When GAO requests an individual to disclose his or her SSN, it shall inform that individual whether that disclosure is mandatory or voluntary, by what statutory or other authority such number is solicited, and what uses will be made of it.
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.