### Question
What is the definition of rule or regulation?


### Answer
The definition of **rule or regulation** is as follows in *26 U.S.C. § 9039*:

> a provision or series of interrelated provisions stating a single separable rule of law

#### Citation:
  - *26 U.S.C. § 9039*
  - Heading: **Subtitle H-Financing of Presidential Election Campaigns > CHAPTER 96-PRESIDENTIAL PRIMARY MATCHING PAYMENT ACCOUNT**

