All Irish retailers exporting to the UK are required to apply for a GB EORI number, retailers can do so here.

A CN23 is a customs declaration document that is used when goods are transported out of the EU. It contains information about the nature of goods, the country of origin, and the customs tariff number if known.

Yes, as of January 1^st 2021 all items posting to the United Kingdom except NI require a CN23. If you do not complete the data the item could be returned to you.

You must include the sender and recipient information, detailed description of the goods, quantity, weight, value and tariff number if known

You can electronically complete a CN23 using Click &Post here or at your local post office.

Once the CN23 form is completed electronically using Click & Post or at a local post office, your item will arrive pre-advised into the Royal Mail Parcel Hub and the recipient will be contacted to settle custom clearance charges. Upon payment, the parcels will be delivered to your UK customer.

You are required to complete customs forms and apply the appropriate customs labels for non EU items. The same process will apply as for sending goods to the USA, for example.  The following customs forms are available at your local post office:

• A CP72 for parcels or items with a value in excess of €300.
• A CN22 for letters, large envelopes or packets containing items weighing less than 2kg.

If your business exports goods to the UK, you are required need to include:

• An Economic Operators’ Registration and Identification (EORI) number
• Harmonisation codes for the products you export - you can use our online tool to identify the correct codes for use.

In order to trade with a country outside the EU, you need a unique EORI number which allows you to interact with customs authorities in any EU member state. Find out how to register for an EORI number online.

Harmonisation codes let customs know what your product is and what VAT or duty rate to charge for the goods. Find out more about classifying your goods for customs purposes.

As an expert in international mails and eCommerce logistics, An Post established a comprehensive Brexit action plan in place for Irish and international mails and parcels customers.

This included, and includes ongoing liaising with the relevant authorities in Ireland, Britain and the EU, including the Government, customs authorities, other logistics companies and industry groups, to ensure we are prepared for all changes as a result of the UK leaving the European Union.

We work closely with the Irish Customs service, which has an embedded presence in our Mails and Parcels hubs. We have acquired additional space and equipment and have invested in IT and training for our staff.

In addition, we continue to develop our operational arrangements with our wholly-owned UK subsidiary Air Business, with Royal Mail and with other carriers to deal with both inbound and outbound mail and parcel traffic.

If your goods go through the UK en route to another destination within the EU, they will pass through our bonded facilities and won’t be affected. Bonded warehouses allow for the storage and transit of goods without payment of duty.

• Returns should be sent as normal using Click&Post on anpost.com or at your local Post Office. An Post recommends you retain your receipt of posting.   
• An Post do not process any refunds of VAT or Customs Charges if you are returning goods after the item has been delivered.

If you are a business customer, you can contact your Account Manager to find out how we can help you to manage the ongoing changes.
Alternatively, you should check this website for regular updates.