### Question
What is the definition of affiliated group of corporations?


### Answer
The definition of **affiliated group of corporations** is as follows in *26 U.S.C. § 465*:

> an affiliated group (as defined in section 1504(a)) which files or is required to file consolidated income tax returns

#### Citation:
  - *26 U.S.C. § 465*
  - Heading: **Subtitle A-Income Taxes > CHAPTER 1-NORMAL TAXES AND SURTAXES > Subchapter E-Accounting Periods and Methods of Accounting > PART II-METHODS OF ACCOUNTING > Subpart C-Taxable Year for Which Deductions Taken**

