On August 13, 2024, Thailand’s Personal Data Protection Committee (PDPC) published a notification on the Criteria for Personal Data Deletion, Destruction, and De-identification in the Government Gazette, taking effect on November 11, 2024. Most of the content remains unchanged from the June 2024 draft of the legislation that was released for public comment. Only minor amendments have been made, as outlined below: Data controllers must respond to data subjects’ requests to delete, destroy, or de-identify personal data, including any copies or backups, without delay and within 90 days of receiving the request. This timeframe has been extended from the previous draft, which allowed only 60 days. In deleting, destroying, or de-identifying personal data, the data controller must ensure that no one is able to recover or reverse personal data to enable the direct or indirect identification of the data subject by any means that could reasonably be expected. If the data controller cannot fulfill the request within the 90-day period, it must take measures to ensure that the personal data is made difficult to collect, use, or disclose until the personal data can be deleted, destroyed, or de-identified according to the notification. In such cases, appropriate organizational, technical, and physical measures must be implemented to protect the data, meeting the criteria set forth by the notification. One newly added provision allows data controllers to delete, destroy, or de-identify a data subject’s personal data using a different method than the one requested by the data subject, provided they inform the data subject of the alternative method. However, this is not allowed when the data subject exercises this right on the grounds that the personal data has been unlawfully collected, used or processed, and there are no grounds to reject the request. In relation to the de-identification or anonymization of personal