Withdrawals from Ohio deferred compensation plans are treated as regular income for tax purposes, but the timing is flexible. Additionally, the Ohio Department of Taxation provides a fillin worksheet to assist in the calculation of the credit.Contributions and any earnings are tax-deferred (both federal and state income taxes) until money is withdrawn. Withdrawals are taxed at ordinary income levels. File your taxes, make a payment, online services, estimate your tax – Quick Calc, forms and instructions, form mailing addresses, filing due dates. As a public employee you are required to complete and file this form within 45 days of beginning employment. Please fill out the form in blue or black ink. 2.