28 U.S.C. 2403(a),

28 U.S.C. 2403(a), Pursuant to the duties imposed upon it by virtue of 28 U.S.C. 2403(a), this Court will please certify to the Office of the Attorney General that the constitutionality of an Act of Congress affecting the public interest is herein drawn in question.

in reference to:

"Pursuant to the duties imposed upon it by virtue of 28 U.S.C. 2403(a), this Court will please certify to the Office of the Attorney General that the constitutionality of an Act of Congress affecting the public interest is herein drawn in question."
- Motion for Intervention of Right: FRCP 24(a) (view on Google Sidewiki)