Mimmack v. United States
Supreme Court of the United States
Decided October 1, 1878
Full case name	Mimmack v. United States
Citations	97 U.S. 426 (more)
Holding
An office become vacant upon the President accepting the officer's resignation. The subsequent revocation of such acceptance does not restore the officer to his office if the initial appointment required the advice and consent of the Senate.
Court membership
Chief Justice Morrison Waite Associate Justices Nathan Clifford · Noah H. Swayne Samuel F. Miller · Stephen J. Field William Strong · Joseph P. Bradley Ward Hunt · John M. Harlan
Case opinion
Majority	Clifford, joined by unanimous
Laws applied
U.S. Const. art. II, § 2, cl. 2

Mimmack v. United States, 97 U.S. 426 (1878), was a decision of the United States Supreme Court concerning the Appointments Clause.