### Question
What is the definition of contract change?


### Answer
The definition of **contract change** is as follows in *31 U.S.C. § 1553*:

> a change to a contract under which the contractor is required to perform additional work

#### Citation:
  - *31 U.S.C. § 1553*
  - Heading: **SUBTITLE II-THE BUDGET PROCESS > CHAPTER 15-APPROPRIATION ACCOUNTING > SUBCHAPTER IV-CLOSING ACCOUNTS**

