Invoices must be sent as email attachments.
Each file must contain one invoice only, including all pages of that invoice.
Multiple invoices may be sent in the same email. Each attached file must have a unique file name.
The maximum size of a single email is 10 MB.
PDF files must be genuine PDF documents, version 1.3 or later.
PDF files must not be locked or password-protected.
The maximum document size is 210 × 297 mm.
When sending invoices via email, please note the following: