### Question
How is the term security interest defined?


### Answer
The term **security interest** is defined in *26 U.S.C. § 6323* as the following:

> any interest in property acquired by contract for the purpose of securing payment or performance of an obligation or indemnifying against loss or liability

#### Citation:
  - *26 U.S.C. § 6323*
  - Heading: **Subtitle F-Procedure and Administration > CHAPTER 64-COLLECTION > Subchapter C-Lien for Taxes > PART II-LIENS**

