Due to the multinational player community, i will write in English.
So the state decided to help every player with Serbia cs, who builds any food factory with 10% of the gold investment back.
What that means in practice is this:


But when we add the regular Saturday refund as well, the math is below: 


This is limited to the next 10 days, until 28.03.2026.
How to apply? Good old traditional way.  Send an image from the tax page where you spent gold for food factories, and i will send you the gold the same day.
https://www.edominacy.com/en/country/economy/58/Serbia