There are now so many diverse customs and courier handling charges for each country that the current ECT handling charge method is no longer effective.

Some countries have very big customs and courier handling charges where others have very little or none and it is now simply not possible to set any kind of a single average handling charge without having a negative effect on sales for some customers.

An effective solution would be to set not only country specific taxes but also duty, customs handling charge, and courier handling charges. The duty should also be allowed to be set in the product admin along with the harmonised product code. This will allow customers to be able to make informed decisions regarding their potential purchase when checking out.

Providing customs line item data, handling charges, duty and taxes (VAT) has become mandatory for many/most countries and many couriers are starting to make this mandatory starting in Nov 2022 and it is now a very difficult struggle to make this work with ECT without the changes required.

Please see examples here especially example 4 at the end: https://www.revenue.ie/en/customs/individuals/buying-online-personal/outside-eu.aspx

John