IRS tax withholding estimator: https://www.irs.gov/individuals/tax-withholding-estimator

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IRS Whom may I claim as an independent: https://apps.irs.gov/app/IPAR/investigate/IPAR_1/en-US/Attribute~Dependents~global~global/qs%24s1%40TLC_Dependents_Development_Screens_DEPLanding_xint%24global%24global?user=guest

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IRS: www.irs.gov

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NYS: www.tax.ny.gov

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NYC: https://www1.nyc.gov/site/finance/taxes/taxes.page

 

NJ: https://www.state.nj.us/treasury/taxation/

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PA: www.revenue.pa.gov