For federal tax classification purposes, a business is classified as either a "business entity," which is any entity recognized for federal tax purposes; or a "disregarded entity," which is any entity not recognized or treated separate from its owner for tax purposes. The most common federal tax business entities include a C-Corporation, S-Corporation, and Partnership. Various rules under the Internal Revenue Code determine how a business is treated for federal tax purposes.
The default tax classification for a corporate entity is a C-Corporation. Alternatively, a corporation can elect to be taxed as an S-Corporation by filing Form 2553 with the IRS and meeting certain requirements.
A single-member limited liability company is the only state-formed entity eligible to be classified as a disregarded...