Additional fields:
•PIN Code: the pin that the user has to enter at the terminal to authenticate themselves. Optional, max length 20.
•Restrictions: the date range when the voucher can be used. Optional.
•Account History: list of all actions done against the voucher.
•Add additional License plates using the signpost
•Credit the account using the signpost
Using the Credit feature you can correct the usages of the voucher, either adding or subtracting.
