Cite as: 596 U. S. ____ (2022) 9 Opinion of the Court under the Government’s account, appellees have standing to challenge the threatened enforcement of Section 304. The present inability of the Committee to repay and Cruz to recover the final $10,000 Cruz loaned his campaign is, even if brought about by the agency’s threatened enforcement of its regulation, traceable to the operation of Section 304 itself. An agency, after all, “literally has no power to act”—including under its regulations—unless and until Congress authorizes it to do so by statute. Louisiana Pub. Serv. Comm’n v. FCC, 476 U. S. 355, 374 (1986); see also FDA v. Brown & Williamson Tobacco Corp., 529 U. S. 120, 161 (2000). An agency’s regulation cannot “operate independently of ” the statute that authorized it. California v. Texas, 593 U. S. ___, ___ (2021) (slip op., at 15). And here, the FEC’s 20-day rule was expressly promulgated to implement Section 304. See 68 Fed. Reg. 3973 (2003). Indeed, the Government admitted at oral argument that it could find no other basis to authorize enforcement of this regulation, Tr. of Oral Arg. 5, and “concede[d]” that “the most likely result, if the statute were declared invalid, is that the regulation would cease to be on the books or would cease to be enforceable,” ibid. Thus, if Section 304 is invalid and unenforceable—as Cruz and the Committee contend—the agency’s 20-day rule is as well. And the remedy appellees sought in the District Court—an order enjoining the Government from taking any action to enforce the loanrepayment limitation, App. 27—would redress appellees’ harm by preventing enforcement of the agency’s 20-day rule. See Lujan, 504 U. S., at 561. Contrary to the Government’s suggestion, the foregoing analysis does not call into question the principle that “a plaintiff injured by one law does not thereby acquire standing to challenge a different law.” Brief for Appellant 17. It is true that a litigant cannot, “by virtue of his standing to challenge one government action, challenge other governmental actions that did not injure him.” DaimlerChrysler

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