### Question
What does regular-rate category mean?


### Answer
**Regular-rate category** has the following meaning in *39 U.S.C. § 3626*:

> any class of mail or kind of mailer, other than a class or kind referred to in paragraph (3)(A) or section 2401(c)

#### Citation:
  - *39 U.S.C. § 3626*
  - Heading: **PART IV-MAIL MATTER > CHAPTER 36-POSTAL RATES, CLASSES, AND SERVICES > SUBCHAPTER II-PERMANENT RATES AND CLASSES OF MAIL**

