1. When entering data, what steps does the system follow?
User defined substitutions are inserted in the appropriate line item, derived characters are brought into the document, master data availability and compatibility are checked (via Coding Block), user defined validations are carried out.
2. What functionality is available to the user to view a document as it will be posted?
3 What determines which fields are present and whether or not information must be entered in them when entering the line items of a document?
Link Rules, which compare the field status of the posting key, field status group of the G/L account, and the field status group of the reconciliation account of the customer or vendor master record.
In Enjoy Postings, Screen Variants determine the status of fields in addition to and independently of the field status groups.