Historically, the IRS has said that a disregarded entity could (and maybe should) use the owner’s taxpayer identification number for income and other tax purposes. For employment tax reporting, the IRS issued Notice 99-6, 1999-1 CB 321 , which said that employment taxes for employees of a disregarded entity could be reported by a disregarded entity in one of two ways:
(1) Calculation, reporting, and payment of all employment tax obligations with respect to employees of a disregarded entity by its owner (as though the employees of the disregarded entity are employed directly by the owner) and under the owner’s name and taxpayer identification number; or
(2) Separate calculation, reporting, and payment of all employment tax obligations by each state law entity with respect to its employees under its own name and taxpayer identification number.Continue Reading IRS Requires Employer Identification Numbers for Disregarded Entities Beginning in 2009