What flag exists to indicate whether future receipts are expected on a line item?
There is a PDF user guide which contains instructions on how to operate the application. There is also information about flags and the status of these flags that can be assigned to various operations. You will have to download the PDF file available for this process.
Download PDF: http://erpcustomer.epicor.com/docu/prophet21/v110/nfg/3_new_110_inventory_management_features.pdf
Use Adobe Reader or a compatible PDF reader in order to open the file. Additionally, to make it faster press CTRL + F and type flag or flags to locate the required information.