"NONE" in both sections and provide an explanation as to how your business is conducted without the use of tangible personal property. Tangible personal property used in research and development business .Individuals not operating a business should file an annual consumer's use tax return, Form CU-7. Federal Form 4562; or; Federal Schedule L of Form 1120. When completing the form you must: • List all assets you own or control as of January 1, including those assets fully depreciated in your. Business Tangible Personal Property Taxes. All Arlington County businesses must file a Business Tangible Personal Property Return each year on or before May 1. All businesses need to complete the Business Registration Form so they are registered with Mecklenburg County.