No, 50% window tint is illegal in Thailand under the Land Transport Act B.E. 2522 (1979) and Ministry of Transport Notifications. Front windshield and front-side windows must allow ≥70% light transmittance; rear windows require ≥30%. Police enforce this via roadside checks, with fines up to 1,000 THB and tint removal orders.
Key Regulations for 50% Window Tint in Thailand
- Front windshield and front-side windows: Must permit ≥70% light transmittance (≤30% tint). 50% tint violates this threshold.
- Rear windows: Minimum 30% light transmittance required (≤70% tint). 50% tint exceeds this limit.
- Enforcement: Traffic police use light transmittance meters; violations incur fines (1,000 THB) and mandatory tint removal. Recent 2026 draft amendments propose stricter penalties, including vehicle impoundment for repeat offenses.
Sources: Land Transport Act B.E. 2522 (1979), Ministry of Transport Notification No. 2 (B.E. 2563), and draft 2026 amendments under review by the Department of Land Transport.