If you get this error:
"You can not ship to Northern Ireland without enabling "Shipping to Northern Ireland" from within your Royal Mail settings. You can learn more about the Windsor Framework here"
To enable head to Carriers > Royal Mail > Settings and scroll down to Shipping to Northern Ireland and select Yes.
You can now set if your shipments are residential or not, or if you would like to use Auto-detect, which will check if there is a company name to determine if you are shipping non-residential.
You can specify if you want to use default dimensions and the declaration category. If you are unsure what your declaration category is, you can check on the UK website here, or consult your Royal Mail account manager.
You can also set a default Commodity Description, default Country of Manufacture and default HS tariff. These will be used if you are missing this information on your products. You can use the UK site to find the 8 digit HS Code here.
For example, woollen socks, made in the UK would be:
