Follow the instructions on Form PV to request an automatic extension on filing your return. I, the Personal Representative, in the above-captioned estate request an additional extension of time, not to exceed.Maryland offers a 6-month extension, which moves the filing deadline from April 15 to October 15 (for calendar year filers). Maryland Department of Assessments and Taxation Extension Request Application() We are sorry, the Extension Request Application is closed for season. The initial time periods for filing a final report and for making distribution to each legatee and heir may be extended for 90 days. How to fill out the Maryland Form 504E Application for Extension 2022? 1. Fill in your Federal Employer Identification Number. 2. Petition for Approval for an Extension of Time to File. The Inventory and Information Report. You will need to provide your account number and a telephone number when completing the online form, or when speaking with CAD.