M&A transactions for private and public limited companies in Thailand can be achieved in many ways, including acquiring shares from existing shareholders of a limited company, subscribing to new shares issued by a limited company, an amalgamation of limited companies, acquiring all or part of the assets or business of a limited company, and a merger of private limited companies. The Civil and Commercial Code is the key legislation governing private limited companies, while public limited companies are mainly governed by the Public Limited Company Act of 1992, as amended, unless listed on the Stock Exchange of Thailand (SET), in which case the Securities and Exchange Act of 1992, the Securities and Exchange Commission (SEC) Rules, the Capital Market Supervisory Board (CMSB) Rules, and the SET Rules also apply. The legal framework for most M&A transactions concerning Thai limited companies is also provided in both the code and the Public Limited Company Act. New Type of Combination On 7 February 2023, the Act Amending the Civil and Commercial Code came into effect, introducing a new merger scheme as another approach to business combination for private limited companies. A merger under the amended Civil and Commercial Code is a merger of two or more companies, resulting in either a new company with all merged juristic entities ceasing to exist or one of the companies continuing to exist with the other companies ceasing to exist as juristic entities. The merger replaces the “amalgamation” in the previous version of the code, which merely prescribed a legal framework and identified the implications of mergers but did not specify a concrete legal framework for the acquisition of assets or businesses. Arguably, the first type of merger described above is the same as an amalgamation under the previous version of the code, while the end