This plugin allows product variants to have different tax rates.
E.G. child (small?) clothing product sizes may have a different tax rate to adult (large?) sizes.
- Hikashop custom field of type 'Brainforge : Variant Tax Category' (included in the plugin) on product table with column name 'product_bfvarianttaxoverride_id'.
If the value is an empty string then the value is inherited from the parent product (the default behaviour).