### Question
What is the definition of Service unit?


### Answer
The definition of **Service unit** is as follows in *25 U.S.C. § 1603*:

> an administrative entity of the Service or a tribal health program through which services are provided, directly or by contract, to eligible Indians within a defined geographic area

#### Citation:
  - *25 U.S.C. § 1603*
  - Heading: **CHAPTER 18-INDIAN HEALTH CARE > GENERAL PROVISIONS**

