PER CURIAM:
Curtis Ivan James, an Arizona state prisoner at the time these actions were filed, appeals pro se the district court's dismissal of his complaint for failure to timely provide a trust-account statement pursuant to 28 U.S.C. § 1915(a)(2). We have jurisdiction pursuant to 28 U.S.C. § 1291. We review for abuse of discretion, and we reverse and remand.
Whether we construe the district court's dismissal as a dismissal for lack of prosecution, for failure to obey an order of the court, or of a complaint as frivolous, the proper standard of review is abuse of discretion. See Al-Torki v. Kaempen, 78 F.3d 1381, 1384 (9th Cir. 1996) (failure to prosecute); Ferdik v. Bonzelet, 963 F.2d 1258, 1261 (9th Cir. 1991) (failure to obey an order of the court); Trimble v. City of Santa Ana, 49 F.3d 583, 584 (9th Cir. 1995) (per curiam) (frivolousness).
In both appeals, the district court entered an order stating that James must file a trust-account statement in accordance with § 1915(a)(2) within thirty days to proceed in forma pauperis. James submitted the trust-account statement with a sworn statement that he had mailed the statement within the thirty-day period, but the district court received and filed it after the thirty-day period had run.
[1] We conclude that the rule for timely filing applicable to pro se prisoners articulated in Houston v. Lack, 487 U.S. 266 (1988), applies to the filing of trust-account statements as required by § 1915(a)(2). See Faile v. Upjohn Co., 988 F.2d 985, 986-88 (9th Cir. 1993). Because James submitted a sworn statement that he timely complied with the deadline imposed by the district court, "the district court must either accept that allegation as correct or make a factual finding to the contrary upon a sufficient evidentiary showing by the opposing party." See id. at 988; see also Koch v. Ricketts, 68 F.3d 1191, 1194 (9th Cir. 1995). Because the district court failed to make such a factual finding, we vacate the district court's dismissal of these actions and remand for further proceedings. See Caldwell v. Amend, 30 F.3d 1199, 1203 (9th Cir. 1994).
VACATED and REMANDED.