Print your EIN confirmation letter for your records. Who can use this tool.The only two ways to get an EIN Verification Letter (147C) is to call the IRS at 1-800-829-4933, or to mail the IRS a written request. Get IRS confirmation letter. If you mail or fax SS4, the IRS mails your EIN Confirmation Letter. Your permanent EIN should be the same as the one I give you today. Confirm your information and the process is complete. Any person selling merchandise or services in Palm Beach County must have a local business tax receipt. Get your Employer Identification number (EIN). To do so, you'll need to fill out Form SS4.