The AGREEMENT date must match the date of the. Tax Form Instructions.Form, Tax Year, Description, Filing Options. You can also call 800-TAX-FORM (800-829-3676) if you're in the United States to order forms and publications. After completing the form, use the mailing addresses provided on Page 3 to submit. The heir or family member should be particularly careful in completing this form. The letter is not, obviously, a. In the banking agencies' Financial Institution Letter (FIL) for the December 31, 2018, report date. Instruction 26 in the Maryland resident tax booklet outlines the following steps for completing your part-year tax return correctly: You must file Form 502. A VA award letter or bank statement may also verify the current monthly amount received.