Before generating the file, you can delete some of the lines, select other customer's bank accounts or modify the mandate sequence.
By default, the FIRST value will be applied if the mandate is recurrent, active and if there has never been any direct debit.
By default, the RECURRENT value will be applied if the mandate is recurrent, active and if a FIRST has already been applied.
Then the LAST value can be manually set if a RECURRENT mandate is to be set as LAST for example.
Note: if the invoicing site of the invoice (or customer) does not have an active mandate, you will be warned by Akuiteo.