41 CFR 105-55.017: -55.017 Use and disclosure of mailing addresses.

(a) When attempting to locate a debtor in order to collect or compromise a debt under this part or other authority, the General Services Administration (GSA) may send a request to the Secretary (or designee) to obtain a debtor's mailing address from the records of the Internal Revenue Service.

(b) GSA is authorized to use mailing addresses obtained under paragraph (a) of this section to enforce collection of a delinquent debt and may disclose such mailing addresses to other agencies and to collection agencies for collection purposes.