5.2.4 Supporting File Naming Convention
Any document supporting a DDEX message in a Batch shall be placed into the same folder as the XML message and be named as follows:
FFFFbeing the file name (without extension) of the file to which supporting information is provided;
NNNNbeing a serial number; and
extbeing an extension suitable to the data type (e.g.
xmlfor an XML file or
csvfor a comma-separated value flat file).