### Question
How is the "base quarter" defined?


### Answer
The term **base quarter** is defined in *10 U.S.C. § 1401a* as follows -

> the calendar quarter ending on September 30 of each year

#### Citation:
  - *10 U.S.C. § 1401a*
  - Heading: **Subtitle A-General Military Law > PART II-PERSONNEL > CHAPTER 71-COMPUTATION OF RETIRED PAY**

