Envelope layout standards

When sending bulk business mail, your items must comply with our Domestic Bulk Mail Envelope Layout Standards to ensure they are processed with maximum efficiency.

Our Envelope Layout Standards (PDF - 4MB) outline our requirements for machinable Bulk Mail products. With effect from 1 July 2020, all Bulk Mail products will be machine processed.

There are important changes to the Domestic Bulk Mail Envelope Layout Standards.

The document has been updated to include inbound international letter products.

For more information and assistance with your envelope layout, contact our National Contact Centre or phone your account manager directly.