A wall of silence still surrounds the computer system at the heart of the BTOM, called the Single Trade Window (STW). This will be the one and only way of getting data into the system. The final version*1 of the BTOM guide, published on February 11 states: “ …the Single Trade Window could be fully operational in 2027.”
There are a number of reasons why this could be awkward, but one will do. The STW calculates the aggregate cost of wear and tear caused by lorry traffic to roadways at ports. This operational detail is used to set a levy called the Common User Charge (CUC). This is payable when a lorry leaves a port: the CUC is added to a rolling monthly invoice. While the STW sets a figure for Government operated ports, private operators were invited to fix their own charges, as they would do for anything else. Dover and Portsmouth, the two busiest ports in the UK, both happen to be owned and operated privately.
Sorry, but this is not a clickable link yet. 1 Feb-11-24-Final_Border_Target_Operating_Model.pdf para 350 page 88