According to the Decision dated 23.06.2020 and numbered 2020/482 of the Turkish Personal Data Protection Authority, the deadlines of the VERBIS have been extended due to Covid-19 pandemic. The Decision has been published in the Official Gazette on 25.06.2020.
You may find the link of the related announcements below.
https://www.kvkk.gov.tr/Icerik/6758/PUBLIC-ANNOUNCEMENT-ON-THE-EXTENSION-OF-THE-REGISTRATION-PERIODS-TO-VERBIS-Data-Controllers-Registry-
https://www.resmigazete.gov.tr/eskiler/2020/06/20200625-2.pdf