With rare exception, employers that do business in Ohio are responsible for withholding Ohio individual income tax from their employees' pay. The individual is required to file an IT 1040 to claim the withholding.To amend your payroll withholding account, you must use Form 11A - Amended Employer's Municipal Tax Withholding Statement. You will receive your Ohio Withholding Account Number immediately after completing the registration online. Register for your your Ohio employer account number. The majority of the forms are PDF files. Find out how to file your taxes online with the City of Harrison's Tax Bureau. Com, and can be submitted via US Mail or electronically on the RITA website. Our e-file system makes it easy for you to file your local return.