I am available to you from Monday to Friday between 8:00 AM and 4:00 PM CET.
However, for your convenience, I regularly check my mailbox until 9:00 PM and will respond ASAP (usually within an hour).
Cissak Jakub Ciszak
ul. Ujejskiego 9/70
VAT ID: PL6462712689
MOBILE: +48 601 551 300