The Personal Property Division information page of the SDAT Web site contains links to forms and instructions, brochures, exemptions, tax rate charts and more. Form 104 (PDF) - This form must be included with your filing of either the Form 103 Long, 103 Short or 102 Farms, whichever is applicable to your filing status.Pay your Personal Property tax online, and review information about the Heavy Equipment Rental Gross Receipts tax. Contact Us. Finance Department. We answer general tax questions. 11103(a), a taxpayer may submit an amended property tax return on or before 3 years from when the original return was due. Use Fill to complete blank online STATE OF MARYLAND (MD) pdf forms for free. Once completed you can sign your fillable form or send for signing.