The Thailand Securities and Exchange Commission has issued amended rules on how ICO portals contact and provide services to investors, reducing the burden associated with the investment knowledge test while requiring portals to assess investor suitability for digital token investments and refresh that assessment at least every two years. Under the amendments, investors who are not institutional investors, ultra-high net worth investors, or high net worth investors with legal entity status must complete a knowledge test before investing, while investors who have already passed the test do not need to retake it. ICO portals must also conduct a suitability test before providing services, and the suitability information must be reviewed and updated at least once every two years. The changes follow a public hearing where most stakeholders agreed with the proposed amendments, which the SEC noted are consistent with requirements applied to securities business operators and digital asset business operators. The amended notifications were published in the Government Gazette and take effect from 16 November 2025.

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