Subcontract documentation reads the Waiver of Lien prints from AP Payments. How is this done?

P0004A 00/PY (Payment Instrument Code) should have a value of M (Contract Checks).  P0417 (Payment Instrument Defaults) must have Payment Instrument M set up for the R04571J program. The Supplier Master can either be set up to default the Payment Instrument type of M, or after the voucher is matched, using Speed Status change, the value can be changed.  In Purchase Order Entry (P4310) there is a value called AIA Document which validates against the UDC 40H/FU.  This value defaults to Y (Print AIA Only), and will need to be changed to a value that includes print Waiver of Lien, or both AIA and Waiver of Lien. Once the order