What IRS EIN reference numbers 101, 102, 105, 109 and 115 mean, why they appear and the correct fix for each.
Banks and marketplaces demand EIN proof. Learn the difference between CP 575 and Letter 147C and how to request a replacement.
A field-by-field walkthrough of IRS Form SS-4, including the Line 7b, 8a-8c, 9a and 10 entries that cause most rejections.
One identifies your business, one identifies you as a taxpayer, one identifies a US worker. Here is how they differ.
Non-residents can get an EIN by phone or fax without an SSN or ITIN. Exact IRS numbers, timelines and Line 7b wording.
An EIN is a nine-digit IRS business tax ID. Here is exactly who needs one, what it unlocks and what it does not do.