### Question
How is the "line of business" defined?


### Answer
The term **line of business** is defined in *26 U.S.C. § 846* as follows -

> a category for the reporting of loss payment patterns determined on the basis of the annual statement for fire and casualty insurance companies for the calendar year ending with or within the taxable year, except that the multiple peril lines shall be treated as a single line of business

#### Citation:
  - *26 U.S.C. § 846*
  - Heading: **Subtitle A-Income Taxes > CHAPTER 1-NORMAL TAXES AND SURTAXES > Subchapter L-Insurance Companies > PART III-PROVISIONS OF GENERAL APPLICATION**

