In renewable energy, trust fund: the division under the Administrative Services of the DOE, which formulates policies, plans and programs related to the DOE’s cashiering services and fund management and ensures effective implementation thereof and compliance with government accounting and auditing rules and regulations [Section 2(bb), 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]