Dates of service. These are the transaction From and To dates. If no range of dates is involved, the same date appears in both fields. This information comes from the Transaction Entry window, Date from and Date to fields. Shaded area:If an NDC code is used, it prints N4 and then the transaction NDC Code, a single space, followed by the NDC Unit of Measurement and NDC Unit Count. If it is printing a transaction description, it will print ZZ following by the transaction description. One of both of these can appear at the same time