Legal AlertA Major Shift in Loyalty Card Practices: Mandatory Verification Requirement Introduced by the Turkish Personal Data Protection Authority
On 28 February 2026, Turkish Personal Data Protection Board (“Board”) published its Principle Decision dated 11.02.2026 and numbered 2026/266 (“Decision”), introducing a significant regulation concerning loyalty card programs. The Decision addresses the use of a loyalty card holder’s mobile phone number or loyalty card number by third parties during shopping transactions without any verification mechanism....












