The document provides an overview of internal service funds (ISFs) used by various public sector entities. ISFs are used to better manage and track cross-departmental operational costs and capital expenditures. They increase fiscal accountability, assess total cost of ownership, and allow customer influence over budgets. The document then discusses examples of ISFs used by Arvada, Fort Collins, and Jefferson County, comparing their structures, chargeback methods, and goals in transitioning to ISFs.