Budget types * : FY00-FY09, and FY16: Estimates, FY10-FY16: Actual, FY17: Enacted, FY18: Request

As required by law, the annual NITRD Supplement to the President’s Budget is organized by Program Component Areas (PCAs), where the PCAs are major subject areas for federal IT R&D. PCAs are intended to facilitate budgetary comparisons from year to year in each area. However, the PCA set does evolve over time, reflecting changes in IT R&D activities at federal agencies and IT R&D priorities of the Administration. For general information about NITRD PCAs, see the NITRD PCA main page.

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