; (2) may be provided by— (A) a State, a unit of local government, an Indian Tribe, a nonprofit organization, private industry, or a combination of those entities; or (B) volunteer hours and in-kind donations; and (3) may, in the case of a project that serves a low-income community, be in the form of a low-interest Federal loan to the eligible entity carrying out the project through the Community Disaster Loan program authorized under section 417 of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5184 ). (g) Authorization of appropriations There are authorized to be appropriated to carry out the program $1,000,000,000 for each of fiscal years 2021 through 2025. 4. Government Accountability Office report Not later than 1 year after the date of enactment of this Act, the Government Accountability Office shall publish a report— (1) on authorities and programs across the Federal Government that are available to protect communities from wildfires; and (2) that assesses impediments to implementation of those programs and gaps in funding. 5. Government Accountability Office study Not later than 1 year after the date of enactment of this Act, the Government Accountability Office shall publish a study— (1) on the potential for a Community Wildfire Defense Plan to qualify for a certification identifying a level of wildfire survivability and resilience; (2) that assesses what metrics might provide insurance companies assurance that a community has wildfire resilience measures