Act means the Social Security Number Fraud Prevention Act of 2017, Public Law 115-59.

Bureau is any component or constituent bureau or office of DOI, including the Office of the Secretary and any other Departmental office.

Department or DOI means the Department of the Interior.

Document means a piece of written or printed matter that provides information or evidence or that serves as an official record.

Individual means a natural person who is a citizen of the United States or an alien lawfully admitted for permanent residence as defined by the Privacy Act of 1974, as amended, 5 U.S.C. 552a.

Mail means artifacts used to assemble letters and packages that are sent or delivered by means of an authorized carrier of postal delivery or United States Postal Service (USPS) postal system. (For purposes of the subpart, the postal system that is managed by the U.S. Postal Service.)

Social Security number or Social Security account number means the nine-digit number issued by the Social Security Administration to U.S. citizens, permanent residents, and temporary (working) residents under section 205(c)(2) of the Social Security Act, codified as 42 U.S.C. 405(c)(2).

Truncated or partial SSN means the shortened or partial Social Security account number.