Thailand is continuing on its path toward comprehensive legislation to address climate change. In November 2024, the country’s Ministry of Natural Resources and Environment (MNRE) launched a public hearing on a new draft Climate Change Act following revisions made after an earlier hearing on a previous draft of the act. The revised version strengthens Thailand’s climate policy framework by introducing the Carbon Border Adjustment Mechanism (CBAM), modeled after the EU’s system of the same name. The new draft also restructures the planned Emissions Trading Scheme (ETS) and enhances carbon-tax provisions. These initiatives aim to minimize carbon leakage, promote fair competition for domestic industries, and encourage lower greenhouse gas (GHG) emissions. As of March 2025, the Department of Climate Change and Environment, under the MNRE, is awaiting the Ministry of Finance’s input on the draft act’s establishment of the Climate Fund, a fund to support business innovation in responding to climate change. After incorporating this feedback, the department will submit the refined draft for cabinet approval, expected in 2025. The legislation will then undergo Council of State review, with implementation expected in 2026. Key Provisions The draft Climate Change Act contains a number of provisions that will affect businesses. Some of the most relevant are discussed below. Mandatory ETS The ETS is a mandatory mechanism designed to control GHG emissions by setting emissions caps for designated industries in alignment with national targets. Under this system, businesses receive emissions allowances allocated through free allocation or auctions. This scheme incentivizes emissions reductions by allowing businesses that emit less than their allocated allowances to sell their surplus allowances. The specific business sectors covered by the ETS have not yet been identified in the draft act, as details are expected to be in subordinate legislation. However, it is anticipated that the sectors will align

On February 6, 2025, the prime minister of Vietnam, Pham Minh Chinh, chaired an online meeting to review the progress of Vietnam’s digital transformation agenda. The meeting assessed achievements under the National Digital Transformation Program and Project 06 on the development and application of population data, electronic identification, and authentication for national digital transformation for the period 2022-2025, with a vision to 2030, approved by the prime minister in 2022. The meeting also outlined key legislative and regulatory priorities for 2025, as set forth in Notice No. 56/TB-BPCP issued by the Government Office on February 23, 2025 (Notice 56). One of the central focuses of the 2025 digital transformation agenda is the development and issuance of laws and regulations governing digital technology, data management, and cybersecurity. Below are the key legal developments provided in Notice 56 that stakeholders should anticipate in the coming months. 1. Law on Digital Technology Industry The Ministry of Information and Communications (MIC) has been tasked with finalizing the draft Law on Digital Technology Industry (DTI Law) for submission to the National Assembly at its 9th session in May 2025. This law is expected to establish a comprehensive legal framework for the digital technology sector, addressing regulatory gaps in emerging fields such as artificial intelligence (AI), Internet of Things (IoT), cloud computing, big data and platform services to promote innovation, ensure data security, and support the growth of the digital economy in Vietnam. Concurrently, the MIC will expedite the issuance of guiding decrees to ensure the swift implementation of the DTI Law once enacted. 2. Law on Personal Data Protection and regulations guiding implementation of Data Law The Ministry of Public Security (MPS) is making efforts to finalize the long-anticipated Law on Personal Data Protection (PDPL)—data protection is currently governed by Decree No. 13/2023/ND-CP on

Tilleke & Gibbins has contributed the Cambodia, Myanmar, Thailand, and Vietnam chapters to Data Protection and Cybersecurity Regulation in Southeast Asia, a wide-ranging guide published by Drew Network Asia (DNA). The resource provides a comprehensive overview of data protection and cybersecurity laws across the region, offering practical insight into compliance requirements and regulatory developments affecting organizations that handle personal data or operate digital services in Southeast Asia. The guide begins with a regional overview, including the broader ASEAN context and cooperation initiatives. Jurisdiction-specific chapters follow a consistent structure—covering data privacy and governance obligations, security requirements and breach notification, outsourcing and cross-border data transfers, and broader accountability and compliance measures. This format allows readers to compare regulatory approaches across markets such as Brunei, Indonesia, Malaysia, the Philippines, Singapore, and others. In addition to the country chapters, the publication addresses cybersecurity and privacy engineering challenges, providing guidance for organizations and outlining obligations applicable to data controllers, processors, and intermediaries. A dedicated section on data breach management across ASEAN examines notification requirements, response considerations, and practical steps for managing incidents in a regional or global context. The guide is intended to serve as a practical reference, and the authors note that specific legal requirements may vary depending on sector, processing activity, or evolving legislation. Readers seeking more detailed advice can contact the practitioners listed in each chapter. The full guide is available for download using the button below or directly from the DNA website.

Vietnam’s Ministry of Finance has released a draft Decree on Tax Administration for E-Commerce and Digital Platforms (“Draft Decree”), introducing significant tax compliance obligations that could reshape how digital platforms, and individuals and business households conducting business through the platforms, manage their tax responsibilities. Aimed at strengthening tax enforcement, the Draft Decree requires e-commerce and digital platforms to actively track and withhold taxes from business households and individual sellers, and remit payments to tax authorities. While it has not yet been promulgated, the Draft Decree is expected to take effect on April 1, 2025, leaving platforms with a limited window to prepare for compliance. Who Is Affected by the New Tax Rules? The Draft Decree significantly broadens the tax administration scope beyond traditional e-commerce platforms to cover a wide range of digital economy participants. Specifically, the Draft Decree places direct tax-related responsibilities on two major categories (collectively, “Regulated Operators”): E-commerce and digital platforms with payment functions (e.g., platforms that process buyer payments via e-wallets, bank transfers, cards, or cash-on-delivery); and Other digital-economy players that enable e-commerce transactions, including (i) intermediary service platforms connecting service providers with consumers, (ii) digital content platforms, (iii) online advertising providers, (iv) cloud computing and data storage providers, (v) social media platforms engaged in business activities (e.g., live-stream, in-app transactions), (vi) online education, gaming, and digital entertainment platforms generating revenue from digital transactions, (vii) Vietnam-based partners of foreign digital service providers facilitating local payments for overseas platforms, and (viii) intermediary payment service providers handling financial transactions for e-commerce activities. Under the Draft Decree, Regulated Operators will be required to track, report, and enforce tax compliance for both resident and nonresident individuals and households conducting business through their platforms (“Sellers”). What New Tax Obligations Do Platforms Face? Onshore platforms For the first time, Regulated Operators will