Thailand TISI proposed to government cabinet via Ministry of Industrial on January 5, 2021 to extend effective date of TISI QR code implementation for another 180 days. Now Ministry of Industry has officially announced the new ministry rule on the Royal Gazette.

Announcement on Royal Gazette Date:  January 19, 2021
Ministry Rule Name: Appearance of Industrial Standard Marking (Issue 2) B.E. 2564
Previous Effective Date: January 21, 2021
New Effective Date: 360 days from announcement date of previous Appearance of Industrial Standard Marking B.E. 2563 (issued on July 25, 2020 and new effective date is July 20, 2021)
Original Royal Gazette: http://www.ratchakitcha.soc.go.th/DATA/PDF/2564/A/003/T_0005.PDF

This is officially confirmed that TISI QR code effective date is extended to July 20, 2021.