Examples of private business use are as follows: a) Transfer of ownership of City property to a nongovernmental person or entity. To complete online returns and payments for this tax, use the Philadelphia Tax Center.For help getting started, see our tax center guide. Various provisions in this policy restrict coverage. Read the entire policy carefully to determine rights, duties and what is and is not covered. We'll walk through a short guide to how to prepare the property statement. You can use these forms and instructions to file City tax returns. The Net Profits Tax (NPT) is imposed on the net profits from the operation of a trade, business, profession, enterprise, or other activity. ' Pennsylvania recently. Example: Ms. Scarlet owes past due real estate taxes for the years 2009–16.