### Question
How does the law define base index?


### Answer
Under *10 U.S.C. § 1401a*, **base index** is defined as:

> the price index for the base quarter for the most recent adjustment under subsection (b)

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

