Please use the forms below to file 2021 annual reports and business personal property returns. The Personal Property Division information page of the SDAT Web site contains links to forms and instructions, brochures, exemptions, tax rate charts and more.January I, the "date of finality. We offer several ways for you to obtain Maryland tax forms, booklets and instructions. You can also file your Maryland return electronically online. Forms and online filing of returns are available on the SDAT Website . Learn about how to obtain an extension for filing an inheritance tax return, filing fees, and where and when to file and pay the tax. What do I do with my claim forms when I receive them?