28 C.F.R. § 0.21 Authorizing intervention by the Government in certain cases.
Title 28 - Judicial Administration
The Solicitor General may in consultation with each agency or official concerned, authorize intervention by the Government in cases involving the constitutionality of acts of Congress.
Title 28: Judicial Administration
PART 0—ORGANIZATION OF THE DEPARTMENT OF JUSTICE
Subpart D—Office of the Solicitor General
§ 0.21 Authorizing intervention by the Government in certain cases.