@b4cks4w IRS document 26 CFR 1.199A-1: Trade or Business is a section of the United States tax code that defines what qualifies as a “trade or business” for purposes of the 20 percent qualified business income (QBI) deduction. This section defines a trade or business as any activity that does the following: is conducted with the intent of earning a profit; is done in a regular and continuous manner; and provides a service, produces a product, or engages in an activity that constitutes a business as defined by the IRS. This section also outlines some specific activities that, while they may not constitute a trade or business in all circumstances, could be considered a trade or business depending on the facts and circumstances. Examples of