- Federal Acquisition Regulation (FAR) – https://www.acquisition.gov/?q=browsefar
- Department of Health and Human Services Acquisition Regulation (HHSAR) – //www.hhs.gov/regulations/hhsar/
- NIH Office of Acquisition and Management Policy (OAMP) – https://oamp.od.nih.gov/
NIH Invoice Instructions (PDF 62K)
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