Contributions to a retirement plan can only be made from compensation, which, in the case of a selfemployed individual, is earned income. Unfortunately for S-Corp owners, only W2 income can be recognized for qualified retirement plan purposes (not the pass-through income).Complete the Pension Exclusion Computation Worksheet (13A) shown in Instruction 13 in the Maryland resident tax booklet. Retirement plans for S Corp owners, like SEP IRAs and Solo 401(k)s, help maximize savings. Learn how self-employed professionals can plan ahead. This booklet contains the necessary instructions for a corporation to file a Maryland corporation income tax return for tax year 2023. MarylandSaves is easy to set up and requires only light account maintenance. The process takes just three simple steps. The Maryland Small Business Retirement Savings Program (MarylandSaves) offers benefits for employers and employees. An Individual Retirement Account, or IRA, often represents a really good option for an S corporation owner.