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Sales Tax

  • Multi-State Sales Tax After Registration: Keeping Each Account Compliant

    • September 22, 2026
    • Posted by: OTIN Editorial Team
    • Category: Sales Tax Registration
    No Comments

    Keeping multi-state sales tax accounts compliant requires a separate operating calendar and account record for every jurisdiction in which your business is registered. Do not assume that one state’s filing frequency, zero-return rule, tax treatment, or account-update process applies elsewhere. Assign each…

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  • Falling Below an Economic Nexus Threshold: When You Can Stop Collecting

    • September 22, 2026
    • Posted by: OTIN Editorial Team
    • Category: Sales Tax Registration
    No Comments

    Falling below a state’s economic nexus threshold does not automatically mean a business can stop collecting sales tax immediately. The seller first needs to apply that state’s measurement period, confirm that no physical presence or other connection creates nexus, identify the permitted…

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  • Filing Zero Sales Tax Returns: When a Return Is Due With No Sales

    • September 22, 2026
    • Posted by: OTIN Editorial Team
    • Category: Sales Tax Registration
    No Comments

    A zero sales tax return may still be due even when a business had no sales, collected no sales tax, or owes nothing for the reporting period. The answer usually depends on the rules attached to the business’s state or local sales…

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  • Home-Rule Local Sales Tax: When Cities Require Separate Registration

    • September 22, 2026
    • Posted by: OTIN Editorial Team
    • Category: Sales Tax Registration
    No Comments

    A city may require separate sales tax registration when it administers its own local tax instead of relying on the state revenue agency. However, “home rule” does not automatically mean a business needs a city account. The controlling question is who administers…

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  • Origin vs. Destination Sourcing: Which Sales Tax Rate to Charge

    • September 22, 2026
    • Posted by: OTIN Editorial Team
    • Category: Sales Tax Registration
    No Comments

    The rate to charge depends on the sourcing rule that applies to the particular transaction—not simply on whether your business operates in an “origin” or “destination” state. Start by identifying where the customer receives the product or service. Then determine whether the…

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  • California Seller’s Permit Verification: What a Valid Permit Does—and Does Not—Confirm

    • September 22, 2026
    • Posted by: OTIN Editorial Team
    • Category: Seller’s Permit
    No Comments

    A valid California seller’s permit result confirms the status shown for the permit or account checked through the California Department of Tax and Fee Administration (CDTFA). It is useful for screening a permit number, but its meaning is limited. It does not…

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  • Arizona TPT License Changes: What to Check When Adding a Location or Business Activity

    • September 22, 2026
    • Posted by: OTIN Editorial Team
    • Category: Sales Tax Registration
    No Comments

    When an Arizona business adds a location, moves an existing location, or begins a different taxable business activity, it should review its Transaction Privilege Tax (TPT) account before filing the next affected return. The central questions are whether the location record is…

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  • Texas Sales Tax Permit Lookup: What to Do When a Business Name or Number Does Not Match

    • September 20, 2026
    • Posted by: OTIN Editorial Team
    • Category: Sales Tax Registration
    No Comments

    A Texas sales tax permit lookup mismatch does not, by itself, establish that a business lacks a permit. The mismatch may come from searching a DBA instead of the legal name, entering a number in the wrong format, comparing an outlet number…

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  • Texas Resale Certificate vs. Sales Tax Permit: Which Document Does Your Supplier Need?

    • September 20, 2026
    • Posted by: OTIN Editorial Team
    • Category: Resale Certificate
    No Comments

    In most Texas resale transactions, your supplier needs a properly completed Form 01-339, Texas Sales and Use Tax Resale Certificate—not merely your sales tax permit or permit number. The certificate tells the supplier why the taxable items are being purchased without sales…

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  • Registering After You Already Have Nexus: Handling the Gap Period

    • September 14, 2026
    • Posted by: OTIN Editorial Team
    • Category: Sales Tax Registration
    No Comments

    If your business discovers that it had sales tax nexus before it registered, treat the time between the nexus start date and the registration or compliance date as a separate “gap period.” Do not assume that registering now automatically resolves earlier obligations.…

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Recent Posts
  • Multi-State Sales Tax After Registration: Keeping Each Account Compliant
  • Falling Below an Economic Nexus Threshold: When You Can Stop Collecting
  • Filing Zero Sales Tax Returns: When a Return Is Due With No Sales
  • Home-Rule Local Sales Tax: When Cities Require Separate Registration
  • Origin vs. Destination Sourcing: Which Sales Tax Rate to Charge
  • California Seller’s Permit Verification: What a Valid Permit Does—and Does Not—Confirm
  • Arizona TPT License Changes: What to Check When Adding a Location or Business Activity
  • Texas Sales Tax Permit Lookup: What to Do When a Business Name or Number Does Not Match





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