§ 9.301 Social Security account numbers in documents sent by mail.
(a) Social Security account numbers shall not be visible on the outside of any package sent by mail.
(b) A document sent by mail may only include the Social Security account number of an individual if it is determined by the head of the agency that the inclusion of a Social Security account number is necessary.
(c) The inclusion of a Social Security account number of an individual on a document sent by mail is necessary when—
(1) Required by law; or
(2) Necessary to identify a specific individual and no adequate substitute is available.
(d) Social Security account numbers must be partially redacted in documents sent by mail whenever feasible.
[85 FR 33529, Jun. 2, 2020]
Page Last Reviewed/Updated Friday, September 18, 2020