For each corporation that should received signed messages. you can set various options.

At first you can select which message types you want to sign (invoices and/or credit notes).

You can also select the method for signing and encoding the message.

There's also the possibility to attach the public key to the message.

Updating the segment counter means that its value is updated to include the signature-segments.

Furthermore you can define if messages are required to have an invoice recipient and issuer before being signed.

You can also chose if you want to include the VAT-Id, address details and product description as plain text in the message.

These settings are matched with the corporation's requirements and need not to be changed normally. Do these only in the case that this has been agreed on with you communication partner.