I work in Harrisburg and live in Columbus.  How do I complete my return?

List your Harrisburg income first, showing no net tax due (assuming correct withholding by your employer). Then, on the alternate city line, list the same wages with a 1% tax rate to calculate the additional tax owed to Columbus (your city of residence). Remember, quarterly estimated tax payments for Columbus are required in this situation and should be submitted on or before the 15th day of 4th, 7th, 10th of the current calendar year and the 1st month of the next calendar year.

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