54954d80_e_of_Non_PO_Payment_Categories__Description
[Category: Expense Type] Human Subjects [Comments] This category is used to request direct payments of any amount to human subjects. This category must be used for: direct payments to human subjects of $200 or more direct payments of any amount to human subjects who are non-resident aliens [Multiple Payees] Yes [Description] 
An incentive payment to an individual for participation in a research project, survey, or study
Fingate - Expense Requests Help: Guidelines for Use of Non-PO Payment Categories