Form SS-4, Application for Employer Identification Number, is used by businesses wishing to be assigned a tax identification number that identifies them as a...
Taxpayers use the form and submit it along with their tax return if any of the following credits, including the Earned Income Credit (EIC), Child Tax Credit (CTC)/Additional Child Tax Credit (ACTC), Credit for Other Dependents (ODC), or American Opportunity Credit (AOTC) were declined or...