Thailand has introduced new regulatory guidance requiring digital platform operators to adopt structured, transparent, and fair fee practices. On March 16, 2026, the Electronic Transactions Development Agency (ETDA) published Announcement No. DPS 2/2569, titled “Guidelines for Transparency and Fairness in Digital Platform Service Fee Determination,” issued under the Royal Decree on Digital Platform Service Business Operations B.E. 2565 (2022). The guidelines establish a framework governing how digital platform operators should set, disclose, and adjust fees charged to users and related service providers such as logistics and payment providers. Although framed as best-practice guidance rather than legally binding rules with explicit penalties, the guidelines carry regulatory weight under the royal decree and represent a significant step toward structured governance of digital platform fee practices in Thailand. The guidelines establish various transparency principles and divide fees into two distinct categories—compulsory and additional—with specific governance principles for each. Transparency Principles The guidelines recommend that digital platform operators adopt several transparency measures to ensure that users can fully understand the costs of using a platform. Fee catalog. All fees should be consolidated into a single, accessible location, which should include the fee name, definition, scope of covered services, calculation methodology, rate, billing period, and calculation examples. Minimum service disclosure. Operators should disclose the minimum service that users can expect, such as baseline visibility, product listing capabilities, access to transaction data, and back-end dashboard access. Price structure disclosure. Operators should disclose the categories of costs underlying their fees, such as system maintenance, cybersecurity, and operational costs. While exact cost figures need not be made public, operators should be able to provide numerical data to regulators upon request. Clear fee formulas. Fee calculations should be simple and easy to understand—for example, percentage of net sales, cost per order, or cost per product listing. Operators should