their primary sources, the District Courts,” id., at 743, and thus were “on the public record.” Id., at 744. The court did not address whether the district court decisions are “agency records.” Id., at 742.
The Court of Appeals for the District of Columbia Circuit reversed. 269 U. S. App. D. C. 315, 845 F. 2d 1060 (1988). It first held that the district court decisions were “improperly withheld.” An agency ordinarily may refuse to make available documents in its control only if it proves that the documents fall within one of the nine disclosure exemptions set forth in § 552(b), the court noted, and in this instance, “[n]o exemption applies to the district court opinions.” Id., at 319, 845 F. 2d, at 1064. As for the Department’s contention that the district court decisions are publicly available at their source, the court observed that “no court. . . has denied access to . . . documents on the ground that they are available elsewhere, and several have assumed that such documents must still be produced by the agency unless expressly exempted by the Act.” Id., at 321, 845 F. 2d, at 1066.
The Court of Appeals next held that the district court decisions sought by Tax Analysts are “agency records” for purposes of the FOIA. The court acknowledged that the district court decisions had originated in a part of the Government not covered by the FOIA, but concluded that the documents nonetheless constituted “agency records” because the Department has the discretion to use the decisions as it sees fit, because the Department routinely uses the decisions in performing its official duties, and because the decisions are integrated into the Department’s official case files. Id., at 323-324, 845 F. 2d, at 1068-1069. The court therefore remanded the case to the District Court with instructions to enter an order directing the Department “to provide some reasonable form of access” to the decisions sought by Tax Analysts. Id., at 317, 845 F. 2d, at 1062.
We granted certiorari, 488 U. S. 1003 (1989), and now affirm.