Especially when one is self-employed in a business, getting a notice of a proposed adjustment to taxes can mean a lot more than just having to come up with some extra money to pay the IRS, or the state taxing authorities, for back taxes.
If you started a business in 2019, you probably heard that you wouldn't get many tax breaks because of the 2017 Tax Cuts and Jobs Act. While some self-employment deductions have gone away, some only temporarily, you still have others you can take advantage of when you file your taxes.
When people think of setting up a limited liability corporation, or LLC, it is usually for business reasons. For example, a businessperson may like the idea of having some degree of legal protection like what an LLC offers. Moreover, an LLC also offers important tax benefits to businesses.