(a) When attempting to locate a debtor in order to collect or compromise a debt under this part or any other authority, the Secretary may send a request to Treasury in accordance with 31 CFR 901.11 to obtain a debtor's mailing address from the records of the IRS.

(b) Mailing addresses obtained under paragraph (a) of this section may be used to enforce collection of a delinquent debt and may be disclosed to other agencies and to collection agencies for collection purposes.