Tyre marking & labelling standards (EU label, sidewall codes)

• Source / publisher: EU Regulation (EU) 2020/740 (tyre labelling), ETRTO marking standards, US DOT sidewall-marking rules (FMVSS 119/139), Michelin/Continental sidewall-decoding guides
• Type: regulation explainer | guide
• Topics: EU tyre label (fuel efficiency / wet grip / noise classes + QR to EPREL database), sidewall code anatomy (size, LI/SI, PR, M+S/3PMSF, DOT date code WWYY, retread marks R108/R109, "regroovable"), load-index & speed-symbol tables
• Vehicle scope: truck | car | trailer
• Region: EU + global marking conventions
• Language: en
• Link: EU 2020/740 consolidated text: eur-lex.europa.eu ; EPREL tyre database: eprel.ec.europa.eu ; ETRTO recommendations (marking sections): tyre-care recommendations ; sidewall-decoding chapter inside Michelin/Bridgestone databooks (Michelin / Bridgestone)
• License/access: public (EUR-Lex + EPREL)
• Notes: the decoder-ring entry — read a sidewall photo and resolve LI/SI/date-code/label class here. EPREL is queryable (per-tyre registration since Reg 2020/740) — the lookup source for EU-sold tyres. Date code: 4-digit WWYY post-2000 only.