This depreciation is the "holdback" element that the insurance company reduces from the replacement cost based on the age, condition and item involved. Business Personal Property Taxes.The Form 1 Business Entity Annual Report and Personal Property Return must be typed using the fillable form, or submitted online at BusinessExpress. Information on the Foreign Investment in Real Property Tax Act of 1980 (FIRPTA) and how it affects a foreign person with real property interest. All home builders operating in Maryland, except those building exclusively in Montgomery County, are required to be registered with the Home Builder. A two month extension is available and can be requested on the SDAT website. Businesses which do not file a return are subject to an estimated assessment of up to twice the estimated value of the personal property owned.