Form OS-3105 Monthly Business Gross Revenue Tax Return-2026

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The document is a Monthly Business Gross Revenue Tax Return form (OS-3105) used for reporting gross revenue and calculating taxes owed by businesses in various sectors, including general business, manufacturing, wholesale, agriculture, and fisheries. It includes sections for gross revenue computation, tax calculations, exclusions, and a summary of amounts due or overpaid. The form requires taxpayer information and must be filed by the last day of the following month to avoid penalties.

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Click ‘Get Form’ to open the Form OS-3105 in our editor.
Begin by entering your taxpayer’s name, DBA (if applicable), and mailing address in the designated fields. Ensure all information is accurate and legible.
Specify the filing period using numerical format (e.g., for January, enter '01'). If this is an amended return, check the appropriate box.
Proceed to Part I: Gross Revenue and Tax Computation. Fill in the gross revenue amounts for General Business, Manufacturing, and Agriculture as required. Use the provided schedules A, B, and C for detailed calculations.
In Part II: Amount Due Summary, calculate your total tax due by following the instructions carefully. Ensure you subtract any previous payments correctly.
Finally, sign and date the form at the bottom. If applicable, include preparer's information if someone else completed it on your behalf.

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Versions	Form popularity	Fillable & printable
2020	4.4 Satisfied (27 Votes)
2018	4.7 Satisfied (59 Votes)
2017	4.1 Satisfied (40 Votes)

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We have answers to the most popular questions from our customers. If you can't find an answer to your question, please contact us.

Where to find gross annual revenue on business tax return?

Using accounting software: If you use accounting software or a bookkeeping service, you can find your annual revenue on your financial statements or tax return, usually on the top line. Its generally called gross receipts or sales or sales and revenue.

Which tax form is for business income?

More In Forms and Instructions Use Schedule C (Form 1040) to report income or loss from a business you operated or a profession you practiced as a sole proprietor. An activity qualifies as a business if: Your primary purpose for engaging in the activity is for income or profit.

Where to find gross revenue on a business tax return?

If you operate your business as a Sole Proprietorship or a single-member Limited Liability Company (LLC), gross receipts go on Schedule C of your IRS Form 1040.