01 Sep 23 Media Legal advisor Rafał Knap in his expert commentary on advance payment and correction invoices regarding changes effective from September 1, 2023. https://www.pit.pl/aktualnosci/faktury-zaliczkowe-i-korygujace-od-1-wrzesnia-2023-roku-1008735 Have any questions? Contact us – we'll respond as quickly as possible. Name and surname Email address Phone number Message I consent to the processing of my personal data for the purpose of contacting me back. Post Views: 5 Share