poresko rešenje

1. tax assessment; tax decision
   Poresko rešenje za ovu godinu stiglo je na ePorezi. — This year's tax assessment arrived on ePorezi.
   U poreskom rešenju piše koliko plaćam svakog meseca. — The tax assessment says how much I pay every month.

Payment details, including the "poziv na broj" reference, are usually taken from the tax assessment.