District of Columbia Code Division VIII. General Laws. § 47-4440. Reciprocal refund offset.

(a) The chief taxing official of a state, local, or municipal government may certify to the Mayor the existence of a tax debt and request that the Mayor withhold a refund due to a taxpayer to satisfy the debt owed by the taxpayer to the requesting state, local, or municipal government.

(b) A request under subsection (a) of this section shall not be honored unless the state, local, or municipal government provides a reciprocal right of credit to the District of Columbia.

(c) Certification of a tax debt shall include:

(d) Upon receipt of a request under subsection (a) of this section, the Mayor shall notify the taxpayer (and in the case of a refund of a tax imposed upon the income of individuals, a spouse (or domestic partner) with whom the taxpayer filed a joint return). The notice shall include a copy of the certification by the chief taxing official of the requesting state, local, or municipal government.

(e) The Mayor may enter into agreements with the chief taxing official of a state, local or municipal government with respect to the operation of this section, including safeguards against the disclosure or inappropriate use of any information which personally identifies the taxpayer.