HTCert - Check the validity of Confirmations per Greek M.D. 1348/2004 and 4822/2025

Make sure to enter the Certification code with spaces and without any trailing space at the end or the beginning. (format: #### ### ## ## ## or ##### ### ## ## ## for 1348/2004 and format: #### ### ## ## ## # or ##### ### ## ## ## # for 4822/2025)