- 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.
Sales Tax
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How to Prepare for a Sales Tax Audit as an E-commerce Seller
- May 23, 2026
- Posted by: OTIN Editorial Team
- Category: Audits
No CommentsKey Takeaways Respond fast: most sales tax audit notices have a firm reply date (often 30 days) and missing it can trigger estimated assessments. Reconcile every channel: marketplace, Shopify/Amazon/eBay reports, payment processor deposits, and general ledger should tie out to the penny. Prove exemptions: keep resale and exemption certificates organized by state and customer; missing
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BOI Reporting Penalties: What Happens If You Don’t File on Time
- May 23, 2026
- Posted by: OTIN Editorial Team
- Category: BOI Reporting
Who This Guide Is For: Business owners, founders, and compliance managers who need a practical overview of BOI reporting penalties under the Corporate Transparency Act—especially what happens if you file late, file incorrectly, or don’t file at all. Key Takeaways Late or missing BOI reports can trigger serious civil penalties and potential criminal exposure when
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Who Counts as a Beneficial Owner for FinCEN BOI Reporting
- May 22, 2026
- Posted by: OTIN Editorial Team
- Category: BOI Reporting
Key Takeaways A “beneficial owner” is generally anyone who owns or controls at least 25% of a company or exercises substantial control over it. Most reporting companies must identify at least one beneficial owner; many will have multiple based on ownership and control roles. Minor children, nominees, and certain employees can be excluded, but their
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BOI Reporting Deadline 2026: What Small Business Owners Need to File
- May 22, 2026
- Posted by: OTIN Editorial Team
- Category: BOI Reporting
Key Takeaways BOI reporting is a federal requirement for many small businesses, and 2026 filings depend on when your company was formed or registered. Reports are submitted to FinCEN and require company and beneficial owner details, including a photo ID number and issuing jurisdiction. Most changes (like a new owner or new address) must be
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Partnership Tax Filing Requirements vs LLC Tax Filing Requirements
- May 22, 2026
- Posted by: OTIN Editorial Team
- Category: General
Who This Guide Is For: Business owners choosing between a partnership and an LLC (or already operating as one) who want clear, practical tax filing requirements, deadlines, and what forms to expect at federal and state levels. Key Takeaways Most partnerships and multi-member LLCs file an annual federal return on Form 1065, due March 15
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Do You Need a DBA If You Already Have an LLC?
- May 22, 2026
- Posted by: OTIN Editorial Team
- Category: DBA
Key Takeaways You don’t automatically need a DBA just because you formed an LLC—only if you’ll operate under a different name than the LLC’s legal name. A DBA (also called a fictitious name, assumed name, or trade name) doesn’t create a new legal entity; it’s a public naming filing tied to your LLC. DBA rules
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How to Form an LLC in Multiple States Without Forming Multiple Companies
- May 21, 2026
- Posted by: OTIN Editorial Team
- Category: LLC
Key Takeaways You can operate in multiple states with one LLC by “foreign qualifying” in each additional state instead of forming new companies. Foreign qualification typically requires a Certificate of Good Standing, a registered agent in the new state, and a state filing fee. Once registered, you must follow each state’s ongoing compliance rules (annual
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LLC vs S-Corp: Which Saves More on Self-Employment Tax in 2026
- May 21, 2026
- Posted by: OTIN Editorial Team
- Category: S-Corp
Key Takeaways An S-corp can reduce self-employment tax by splitting income into W-2 wages (subject to payroll taxes) and distributions (not subject to Social Security/Medicare taxes). In 2026, the Social Security portion of payroll tax applies up to the annual wage base (set each year); Medicare applies with no cap, and higher earners can trigger
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Illinois Marketplace Facilitator Rules: What Sellers Need to Know for 2026
- May 21, 2026
- Posted by: OTIN Editorial Team
- Category: Marketplace Facilitator
Key Takeaways Illinois requires marketplace facilitators to collect and remit Illinois Retailers’ Occupation Tax (ROT) on marketplace sales shipped to Illinois customers. Illinois uses destination-based tax for remote/marketplace sales and requires location-specific (rate/ROE) reporting through MyTax Illinois. Marketplace sellers often owe Illinois Use Tax on taxable purchases and may still need Illinois registration depending on
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Washington B&O Tax vs Washington Sales Tax: A Guide for New Sellers
- May 21, 2026
- Posted by: OTIN Editorial Team
- Category: General
Key Takeaways Washington’s Business & Occupation (B&O) tax applies to gross receipts and is separate from retail sales tax—many businesses owe one, the other, or both. Washington’s statewide sales tax rate is 6.5%, and most locations add local rates, creating different combined rates by city. Registration, filing, and payments are handled through the Washington State
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