Common date formats used with EFT and Direct Debit files require updating depending on the bank and specifications.  The most common examples are a Julian date (date as a 5 digit number) or a representation as YYMMDD for example.

in the Data Exchange Definition, an example of how to configure the column definition are:

If the date is a display of 6 or 8 digits and shown as YYMMDD for example:

If the date is a Julian date: