Moving/dynamic Tax Rates
We have had the need to load a large number of blended tax rates into the system for promotional items, these are items that are purchased as a single unit but are actually made up of numerous items with different individual tax rates, thus the need for a blended tax rate.
These rates can also change year on year depending on the vast number of combination of product being combined.
Adding a large number of rates would then need a determining factor (for all), condition set for each and to be pulled into the rate rules.
Is there a more efficient way of configuring this setup.