In renewable energy, trust fund: the service under the DOE, which formulates and implements fiscal policies, programs and regulations, including those on indigenous energy resource service contractors; monitors the utilization of government-administered energy funds; and provides staff support services pertaining to budget and accounting [Section 2(o), DOE Department Circular No. DC2022-06-0018, Adopting the Guidelines and Procedures in the Fund Sourcing, Accounting, and Audit of Renewable Energy Trust Fund Pursuant to Section 28 of the Renewable Energy Act of 2008, otherwise known as Adopting the Guidelines and Procedures in the Fund Sourcing, Accounting, and Audit of the Renewable Energy Trust Fund or RETF Guidelines]