OK 512S Information
All corporations having an election in effect under Subchapter S of the Internal Revenue Code (IRC) engaged in business or deriving income from property located in Oklahoma and that are required to file a federal income tax return using Form 1120-S, must file a return on Form 512-S.
Link to official form info: Oklahoma 512S
Link to official form info for 512S
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- Monday Mar 17, 2025
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9 Oklahoma Tax Filings & Forms:
511 - Resident Income Tax Return 511NR - Nonresident/ Part-Year Income Tax Return STS 20002 - https://www.ok.gov/tax/Forms_&_Publications/Forms/Business/ 200 - Annual Franchise Tax Return WTH 10001 - Quarterly Wage Withholding Tax Return WHT 10004 - Withholding Payment Coupon OES-3 - Employer's Quarterly Contribution Report 514 - Partnership Income Tax Return 512S - Small Business Corporate Tax ReturnAre we missing a Oklahoma tax form?
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