From the Document: "FEMA's Public Assistance (PA) reimburses eligible public and nonprofit entities for at least 75% of eligible response and recovery costs when authorized in a presidential emergency or major disaster declaration under the Robert T. Stafford Disaster Relief and Emergency Assistance Act." The attached infographic outlines, " What is Public Assistance (PA)?  How is PA funded?  How is PA authorized?  How is PA structured? and  How do applicants receive PA funds?"
CRS Report for Congress, IG10021
Congressional Research Service: https://crsreports.congress.gov/