- Sales Tax Permit & Business License Guide
- What Is a Seller’s Permit?
- How to Get a Seller’s Permit
- Seller’s Permit Requirements
Browse state-by-state guides for sales tax permits, seller’s permits, resale certificates, and tax ID numbers.
Tax ID
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How to Apply for an EIN in Texas: What You Need Before You Start
- August 15, 2026
- Posted by: OTIN Editorial Team
- Category: EIN
No CommentsTo apply for an EIN for a Texas business, you apply to the Internal Revenue Service—not the Texas Secretary of State. The IRS issues EINs through its “Get an employer identification number” portal, and applying directly through the IRS is free. Before…
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Single-Member LLC vs Sole Proprietorship: Tax ID Requirements
- August 12, 2026
- Posted by: OTIN Editorial Team
- Category: EIN
A sole proprietor and a single-member LLC do not automatically need an EIN merely because they are in business. The federal requirement depends mainly on how the business is taxed and whether it has employees, specified excise-tax obligations, or certain other filing…
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How Many EINs Can One Responsible Party Get Per Day?
- August 12, 2026
- Posted by: OTIN Editorial Team
- Category: EIN
One responsible party can receive only one EIN per day. This nationwide limit applies across all entity types and all EIN application methods. Filing for a second entity, switching from the online tool to fax or mail, or having a third-party designee…
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Can a Foreign Owner Get an EIN Without an SSN?
- August 12, 2026
- Posted by: OTIN Editorial Team
- Category: EIN
Yes, a foreign owner may be able to get an EIN without an SSN. The key issue is not citizenship by itself. It is whether the business has been formed, who qualifies as its responsible party, whether that person has or is…
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Form SS-4 Explained: How to Complete an EIN Application
- August 12, 2026
- Posted by: OTIN Editorial Team
- Category: EIN
Form SS-4 is the IRS application used to obtain an Employer Identification Number (EIN). The IRS uses the form to assign a nine-digit EIN and establish the applicant’s business tax account. Completing it accurately starts with identifying the applicant’s exact legal name,…
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Tax ID Number vs EIN vs ITIN: Which One You Need
- August 12, 2026
- Posted by: OTIN Editorial Team
- Category: Tax ID Number
“Tax ID number” is a general term, not the name of one specific credential. In the federal tax system, a taxpayer identification number (TIN) is a number the IRS uses to administer tax laws. TINs include Social Security numbers (SSNs), employer identification…
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Lost Your EIN? How to Retrieve It From the IRS Fast
- June 13, 2026
- Posted by: OTIN Editorial Team
- Category: EIN
Key Takeaways You can often find your EIN on prior tax filings (like Form 941, Form 940, or Form 1120/1065) and on bank or payroll records without calling the IRS. If you must contact the IRS, be prepared to verify identity and business details; EIN retrieval is limited to authorized parties. If your EIN was
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EIN vs ITIN: Which Tax ID Number Does Your Business Need?
- June 12, 2026
- Posted by: OTIN Editorial Team
- Category: Tax ID Number
Key Takeaways An EIN (Employer Identification Number) identifies a business with the IRS for payroll, federal tax filings, banking, and most entity-level compliance. An ITIN (Individual Taxpayer Identification Number) identifies a person for federal tax reporting when they can’t get an SSN; it is not a business tax ID. Many owners need an EIN for
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How to Get an EIN as a Non-US Resident Without an SSN
- June 12, 2026
- Posted by: OTIN Editorial Team
- Category: EIN
Key Takeaways Non‑US residents can get an EIN without an SSN by applying with Form SS‑4 and using “Foreign” or “N/A” in specific SSN/ITIN fields. The IRS requires a “responsible party” name on the SS‑4; for foreign applicants, the SSN/ITIN line can be left as directed for foreign status. Phone, fax, and mail are common
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EIN for a Trust or Estate: How to Apply Correctly
- June 12, 2026
- Posted by: OTIN Editorial Team
- Category: EIN
Key Takeaways Trusts and estates often need an EIN to open financial accounts, file federal returns (Form 1041), and issue beneficiary tax forms. You must apply using the correct “responsible party” (trustee, executor, or personal representative), not the deceased person or the beneficiaries. Timing matters: estates commonly apply shortly after death to collect assets; trusts
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