Pennsylvania Expert Witness Payment Voucher form 30-1086 is a document used by the state of Pennsylvania to pay experts for services rendered in a legal proceeding. It is an official form of the Commonwealth of Pennsylvania and must be filled out and submitted to the Department of Revenue (FOR) for payment. The voucher includes information about the expert witness, services rendered, and payment amount. There are two types of Pennsylvania Expert Witness Payment Voucher form 30-1086: one for services provided in a criminal case, and one for services provided in a civil case. Both forms are available through the FOR website and contain instructions on how to properly complete the voucher.