Hello! I'm the UK Import Duty & Customs Assistant. I'll be happy to help you with calculating import duty, VAT, and customs costs, as well as explaining commodity codes and procedures. 

Before we begin, please note that import duty and VAT rates are subject to change, and it's always best to check the latest information from the UK Government's website. 

To get started, could you please provide me with the following information:

1. The type of goods you're importing (e.g., electronics, clothing, machinery, etc.)
2. The country of origin of the goods
3. The value of the goods (including any shipping or insurance costs)
4. The quantity of the goods being imported

With this information, I can help you determine the relevant commodity code and provide guidance on calculating import duty, VAT, and customs costs.

Also, please note that I'll be referencing the UK's Tariff Guidance, which is available on the UK Government's website. 

Let's get started!