There are a variety of retirement-specific investment accounts, like the 401k, IRA, Roth 401k, and Roth IRA. Additionally, the Ohio Department of Taxation provides a fillin worksheet to assist in the calculation of the credit.A retirement plan that meets the requirements of Internal Revenue Code Section 401(a) is referred to as a "qualified plan." A 401(k) is a retirement account that your employer sets up for you. When you enroll, you decide to put a percentage of each paycheck into the account. Find general information about 401(k) plans, the tax advantages of sponsoring the plan and the types of plans available. Use this set of interactive worksheets from the Department of Labor to plan for retirement. They can help you manage your finances and begin your savings plan. The SECURE Act 2.0 offers businesses the ability to establish a 401(k) retirement plan and lower their tax liability. Use online tools to create a retirement plan.