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16 petitioner cannot make up for the absence of actual au- thority by invoking principles of estoppel or apparent authority against the government. See Federal Crop Ins. Corp. v. Merrill, 332 U.S. 380, 384 (1947). That is par- ticularly true where she is, at most, an incidental third- party beneficiary of the agreement. CONCLUSION The petition for a writ of certiorari should be denied. Respectfully submitted. D. JOHN SAUER Solicitor General MATTHEW R. GALEOTTI Acting Assistant Attorney General ETHAN A. SACHS Attorney JULY 2025 DOJ-OGR-00000239