You are using an outdated browser and your browsing experience will not be optimal. Please update to the latest version of Microsoft Edge, Google Chrome or Mozilla Firefox. Install Microsoft Edge

May 19, 2026

Thailand Tightens Telecom Registration, Data, and IP Address Rules to Combat Tech Crime

Subscribe to Updates

Thailand’s telecommunications regulator has introduced a range of new compliance obligations for telecom licensees aimed at preventing and suppressing technology crime. On May 15, 2026, the National Broadcasting and Telecommunications Commission (NBTC) published in the Government Gazette Notification on Measures for Prevention and Suppression of Technology Crime No. 2, which amends the original NBTC notification dated August 24, 2025. The amendment derives its authority from the Emergency Decree on Measures for Prevention and Suppression of Technology Crime B.E. 2566 (2023), as amended in 2025, and took effect on May 16, 2026.

SIM Card Registration Cap for Non-Thai Nationals

Persons without Thai nationality are now limited to a maximum of three SIM cards per person per service provider. Identity verification must be done primarily via passport. For those without a passport, acceptable alternatives include travel documents or certificates of identity issued by foreign governments, accompanied by additional Thai government-issued documents, as well as pink ID cards (for persons without Thai nationality) and white ID cards (for persons without registration status). Registration must be done in person at a branch or authorized dealer. Service providers must develop their identity verification systems and obtain NBTC approval before deployment.

SIM Activation Deadline and SIM Box Prohibition

Both Thai and non-Thai service users must activate their registered SIM within 60 days of registration. If they fail to do so, they must re-verify their identity in person before activation, confirming they are the same person who originally registered.

Service providers must prohibit SIM box and gateway devices capable of supporting four or more SIMs from connecting to their mobile networks unless the device has received a license under the Radio Communications Act.

Blacklist Enforcement

Service providers must refuse registration of additional mobile numbers for persons listed on a technology crime-related database maintained by the Royal Thai Police.

IP Address Restrictions

International telecommunications licensees must not use Thai-registered IP addresses to provide services in foreign countries. An exception applies to mobile devices carried abroad by users.

Data Retention Obligations

Service providers must retain the personal data of active users for at least 180 days throughout the service period, and for at least 180 days following contract expiration. The scope of retained data is limited to what is necessary for technology crime proceedings, to be jointly determined by the NBTC Office, the Royal Thai Police, and the licensee.

Key Implications

Telecom operators and mobile virtual network operators (MVNOs) face a significant compliance burden. They must build or update identity verification systems subject to NBTC preapproval, enforce the three-SIM cap for non-Thai users, implement SIM box detection mechanisms, restrict IP address usage, integrate with police blacklist databases, and comply with new data retention timelines.

Foreign nationals and expatriates will face reduced ability to register multiple SIM cards and must present a passport or specified alternative ID in person. Registered SIMs not activated within 60 days will require reverification.

The 180-day post-termination data retention obligation—and the joint determination of retained data scope with police—may raise questions about proportionality and compliance with Thailand’s Personal Data Protection Act (PDPA), particularly regarding lawful basis and data minimization.

IoT and enterprise deployments could be affected by the SIM box ban on devices supporting four or more SIMs, unless those devices are properly licensed under the Radio Communications Act.

Next Steps

Telecommunications licensees operating in Thailand should assess their current systems, processes, and contractual arrangements against the new requirements. In particular, licensees should prioritize obtaining NBTC approval for identity verification systems, implementing mechanisms to enforce the SIM registration cap, and reviewing data retention practices to ensure compliance with both the new notification and the PDPA.

Related Professionals

Industries

Technology

Location

RELATED INSIGHTS​ 

December 26, 2025
The Bank of Thailand (BOT) has released the Guidelines for Digital Fraud Management, which took effect on December 17, 2025, incorporating certain amendments to the draft guidelines issued in March 2025. These official guidelines aim for end-to-end digital fraud prevention, with a particular focus on mule accounts, to enhance trust and security in Thailand’s financial system. The guidelines apply to “financial service providers,” including: Financial institutions and special financial institutions under the Financial Institution Business Act; and Operators of Inter-institutional Fund Transfer System e-money services and e-fund transfer services under the Payment Systems Act. Besides commercial banks and e-money operators that offer fund-transfer services, other providers may adopt requirements based on risk proportionality and baseline standards set out in the guidelines (for instance, an e-money operator that does not offer e-fund transfer services could consider implementing a fraud monitoring and detection system according to the risk level of its service). The guidelines establish the following key requirements: Policy and oversight. Directors and senior executives of financial service providers must adopt appropriate “end-to-end” fraud management policies and KPIs to manage digital fraud, covering prevention, monitoring, detection, management, resolution, and support for affected customers. The fraud management policy must be regularly reviewed, and whenever there is a situation or change that significantly affects the efficiency of the fraud management. Any significant update to the policy must first be approved by the board of the financial service provider. The BOT also encourages providers to collaborate in establishing industry standards aligned with applicable laws and regulations to ensure consistency and best practices across the sector. Fraud management processes. Financial service providers must establish a clear framework for managing digital fraud throughout the customer lifecycle—from customer onboarding to service termination—covering at least the following processes: Know your customer (KYC) and customer due diligence (CDD):
Read More
December 15, 2025
Thailand is taking steps to energize its startup scene by drafting the Startup Promotion Law. This draft law aims to remove obstacles, open new funding opportunities, and provide coordinated government support. The goal is to make it easier for Thailand-based startups to grow and compete on a global stage. Why Is This Law Needed? For many years, Thai startups have operated under traditional company law frameworks that were not designed with high-growth businesses or with fundraising opportunities in mind. Restrictions on issuing bonds, offering shares to outside investors, and repurchasing shares for employee incentive programs made it challenging for emerging companies to access capital and accelerate their growth. The draft Startup Promotion Act seeks to remove these obstacles and foster a more competitive, entrepreneur-friendly environment in Thailand. Who’s in Charge? Two main organizations will oversee the startup ecosystem: Startup Promotion Committee: This group, to be appointed by the National Science, Research, and Innovation Policy Council, will set national strategies, policies, and budget; design promotional campaign and incentives; and propose further legislative amendments to promote startups. National Innovation Agency (NIA): Under the draft act, the NIA will be the main contact for startups and will serve as the secretariat office of the Startup Promotion Committee, coordinating data, advising startups, maintaining the public registry, and providing funding and investment (grants, repayable grants, loans, and equity) under committee criteria and, where applicable, cabinet approval. What Startups Are Eligible for Benefits? To be officially recognized and access benefits, a company must: Be a private limited company less than 10 years old at the time of application. Existing companies that already exceed the 10-year threshold may still apply for startup statues within one year of the law’s enactment, as long as they otherwise still qualify for the new regime. Have average annual revenue not
Read More
December 12, 2025
Tilleke & Gibbins has updated the Cambodia, Myanmar, Thailand, and Vietnam chapters in Multilaw’s Global Data Protection Guide, which collects expert advice from Multilaw member firms in 90 jurisdictions around the world (including a Laos chapter, which is also authored by Tilleke & Gibbins). The guide provides answers to key issues concerning the fast-developing data protection and privacy laws around the world, and helps data protection officers and in-house counsel understand how the regulatory regime for data protection can affect their organizations in various jurisdictions. Each section of the guide identifies the main laws that govern data protection in that jurisdiction, and gives a detailed overview of the legal principles in place as well as the enforcement authorities responsible for overseeing compliance. The guide also covers issues related to data subject rights, data protection officers, impact assessments, data breach notification requirements, and cross border data transfers. The use of personal data in marketing is also considered, with specific information on electronic marketing rules, cookies, and marketing to businesses and consumers. Multilaw, of which Tilleke & Gibbins is a longtime member, is a global network of carefully selected independent law firms able to provide expert legal advice in complex environments around the globe. The full guide is available for free on the Multilaw website.
Read More
December 11, 2025
On December 10, 2025, the National Assembly of Vietnam passed a new Cybersecurity Law, which will take effect on July 1, 2026. The new Cybersecurity Law was developed based on the consolidation of the 2018 Cybersecurity Law and the 2015 Law on Network Information Security. While the final approved version of the new Cybersecurity Law has not yet been published, according to official reports, the following notable requirements are confirmed to be included: The new Cybersecurity Law dedicates a specific article to prohibited acts related to cybersecurity, under which it strictly prohibits posting or disseminating information online that propagandizes against the Socialist Republic of Vietnam. The law also prohibits, among other things, (i) the appropriation, trading, seizure, or intentional disclosure of information classified as state secrets, work secrets, business secrets, personal secrets, family secrets, and private life; (ii) intentionally eavesdropping, recording, or filming online conversations without authorization; and (iii) the use of artificial intelligence (AI) or new technologies to conduct prohibited acts. The Ministry of Public Security (MPS) has the authority to require enterprises providing telecommunications, internet, and online services, as well as system administrators, to remove information violating cybersecurity laws from systems under their management. The MPS is also assigned responsibility for ensuring information security in cyberspace and data security, establishing mechanisms for IP address identity management, verifying digital account registration information, and issuing warnings and sharing information on cybersecurity threats. Information systems are classified into five levels (similar to the 2015 Law on Network Information Security) based on the degree of harm to national security and social order if an incident occurs. The MPS is the lead agency assisting the government in state management of cybersecurity. The Ministry of National Defense is responsible for managing military information systems, and the Government Cipher Committee manages cryptographic and cipher
Read More