### Question
How does the law define supplemental services?


### Answer
Under *42 U.S.C. § 290bb*, **supplemental services** is defined as:

> the services described in subsection (d) of this section

#### Citation:
  - *42 U.S.C. § 290bb*
  - Heading: **CHAPTER 6A-PUBLIC HEALTH SERVICE > SUBCHAPTER III&ndash;A-SUBSTANCE ABUSE AND MENTAL HEALTH SERVICES ADMINISTRATION > Part B-Centers and Programs > subpart 1-center for substance abuse treatment**

