14 CFR 1212.604 - Social security numbers.
(1) The disclosure is required by law; or
(2) The disclosure is from a system of records in existence and operating before January 1, 1975, and was required under statute or regulation adopted before that date to verify the identity of the individual(s).
(b) Any time individuals are requested to disclose their social security numbers, NASA shall indicate whether that disclosure is mandatory or voluntary, by what authority the numbers are requested, and what uses will be made of them.
Title 14 published on 2015-11-17.
No entries appear in the Federal Register after this date, for 14 CFR Part 1212.