We have build a solution for this by using tax codes and additional fields and coding which is added to the account.tax, products, purchase and sale tables. Fully integrated in BoM for calculating excise balance on distilled products. Depending on the type of alcoholic product like wine, beer or plain alcohol different calculations are done based on definable excise tarifs. The alcohol % field is added in many models and is also used in different calculcations for the excise amount.  Implementing excise touches many models in Odoo.  By using the tax translation of fiscal positions you can use different a excise tariff for the domestic market or no excise for export.

There is still a lot of work to be done as I'm now working on the excise declaration export module for dutch customs.    The export module will be flexible for supporting different formats.

Have you found a solution for this case?

i really didn't look into it, but can't you just use product variants?