If you are a Maryland resident, file Form 502 and 502B. If you are a Maryland resident and need to amend your return, file Form 502X.You must file your Maryland Amended Form 502X electronically to claim, or change information related to, business income tax credits from Form 500CR. Most forms used in the District Court are contained in this index. The form and instructions for completing the form are available here on the State of Maryland Court's website. Contact Us. Treasury 200 Baltimore St. P.O. Box 2607. La Plata, MD 20646 . Use the information to fill out IRS Form 8962. The public can view all instruments related to land transactions recorded in the Circuit Court Land Records Department-all instruments are available online. Complete this form to apply for, renew, replace, covert from out of state, or reinstate a learner's permit, driver's license, or Mass ID.