Pennsylvania law requires withholding at a rate of 3.07 percent on non-wage Pennsylvania source income payments made to nonresidents. The Net Profits Tax (NPT) is imposed on the net profits from the operation of a trade, business, profession, enterprise, or other activity.It contains a sample transaction that shows how international sales are negotiated, and the various documents generated in the course of performance. Certain tangible personal property is generally exempt from state and local ad valorem taxes. Goods may be exported from the zone free of duty and excise tax. The purpose of the CISG is to provide a modern, uniform and fair regime for contracts for the international sale of goods. Search for business topics like employer tax identification number (EIN) information, with the A-Z Index. If you are deaf, hard of hearing, or have a speech disability, please dial 7-1-1 to access telecommunications relay services. End product, as defined in the clause of this solicitation entitled "Trade Agreements. If the return is for a fiscal year, fill in the tax year space at the top of the form.