- March 17, 2021, 10:12 AM Reps. Sam Graves (R-Missouri) and Garret Graves (R-Louisiana) joined NATA in their call for the Treasury Department to release Payroll Support Program funds. (Photo: U.S. Department of the Treasury) Republican leaders in the U.S. House joined a growing appeal to the Department of Treasury to release Payroll Support Program (PSP) funding to small carriers. Transportation and Infrastructure Committee ranking Republican Sam Graves (Missouri) and aviation subcommittee ranking Republican Garret Graves (Louisiana) wrote a letter calling on Treasury Secretary Janet Yellen to “break the bureaucratic logjam delaying critical PSP2 funds to the nation’s smaller airlines.”