The length of data can be 7 characters. The length of data can be 12, 14, or 17 characters. The first 2 digits are two flag digits. The next 10 digits are the article-identification digits. The first flag digit is not bar-coded. The second flag digit that the article-identification digit and a check digit generated by the printer are bar-coded. If the length of data is 14 characters, the last 2 digits are interpreted as the EAN two-digit add-on. If the length of data is 17 characters, the last 5 digits are interpreted as the EAN five-digit add-on. The length of data can be up to 100 characters. The following characters are valid. 0123456789 The following characters are valid. 0123456789 The length of data can be up to 100 characters. The following characters are valid. 0123456789 The length of data can be up to 100 characters. The following characters are valid. 0123456789 -$:/.+ABCD The length of data can be up to 100 characters. The characters A, B, C, and D shall be used only as start and stop delimiters. All ASCII 128 character set values are valid, and the data length is variable. The following characters are valid. 0123456789 You can specify the following POSTNET type: The following characters are valid. 270 AFP Utilities for iSeries: User’s Guide The following characters are valid. 0123456789 v EAN-13 (includes JAN-standard) v 2-of-5 industrial v 2-of-5 matrix v Interleaved 2-of-5 (MHI/AIM USD-1) v Codabar (MHI/AIM USD-4) v POSTNET v RM4SCC Table59.POSTNETtypes 1 ZIP Code (The maximum length is 5 digits) 2 ZIP+4 (9 digits) 3 Advanced bar codes (11 digits) 4 Variable length data (up to 100 digits) v CODE128