In Odoo > Accounting > accounting > budgets
When we create or edit a budget, we have currently the possibility to filter a line using ONLY ONE "analytic account" : see image 1 in attach:
How to create a budget line by combining multiple analytic accounts (analytical_tag_1 AND analytical_tag_2...) ?
see image 2 in attach (DESIRED but NOT EXISTING currently):
In fact, we need to measure the practical amount by multiple analytic accounts.
That's such a pity for Odoo forum (which should be exemplary) to have such a dysfunctional feature: Upload ....FOR MONTHS !
See whole post here: quora.com/How-do-I-create-a-budget-line-by-combining-multiple-analytic-accounts-in-Odoo/answer/Sylvainb