>>12657579 PB Is this what you mean Anon?

DISTRICT OF COLUMBIA ORGANIC ACT? 1871

"CHAP. LXII. -An Act to provide a Government for the District of Columbia.

Be it enacted by the Senate and House of Representatives of the United

States of America in Congress assembled, That all that part of the terri-

otory of the United States included ==within the limits of the District of

Columbia== be, and the same is hereby, created into a government by the

name of theDistrict of Columbia, by which name it is hereby constituted

a body corporate for municipal purposes,and may contract and be con-

tracted with, sue and be sued, plead and be impleaded, have a seal, and

exercise all other powers of a municipal corporation not inconsistent with

the Constitution and laws of the United States and the provisions of this

act."

https://www.loc.gov/law/help/statutes-at-large/41st-congress/session-3/c41s3ch62.pdf