Identity checks must involve document verification combined with facial comparison or a highly reliable digital identity verification system. Platforms must also retain advertiser information for at least 90 days after the advertisements have ended. Meta has encouraged advertisers wishing to place advertisements in Thailand to complete the identity verification process on its platforms by early November.
Source: https://www.bangkokpost.com/business/general/3342345/advertiser-checks-tightened-to-curb-online-scams