Possible enumeration values:
| Name | Value | Description |
|---|---|---|
| Invoice |
1 |
Voucher is an invoice. |
| Prepayment |
2 |
Voucher is a prepayment. |
| Credit |
3 |
Voucher is a credit note. |
| StandingOrder |
4 |
Voucher is over payment (M006) or a standing order (M007) |