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HSA Section 23 — Type 3: licence required
Hazardous Substances Act (พระราชบัญญัติวัตถุอันตราย) — Section 23.
Plain-English Summary
Subject to Section 36, nobody may produce, import, export or possess a Type 3 hazardous substance without a licence from the competent official. Applications and grants follow a ministerial regulation, which must set out as clearly as practicable the cases in which a licence can and cannot be granted and the time limit for deciding. Licence holders must also comply with the responsible minister's Section 20 notifications. Related provisions: a licence lasts for the period stated in it, not more than three years (Section 26); an application to renew filed before expiry lets the holder keep operating until refusal (Section 27); a refusal can be appealed to the responsible minister within thirty days, with the minister's decision final (Section 28).
Official Text
Official Thai text at the Royal Gazette / Office of the Council of State. Translation summary only.
Consult official sourceParent Statute
Hazardous Substances Act
พระราชบัญญัติวัตถุอันตราย · B.E. 2535 (1992)
The Hazardous Substances Act B.E. 2535 (1992) regulates hazardous substances (explosives, flammables, toxic, radioactive, corrosive and other harmful substances) from production, import, export, transit and possession through sale, transport, storage and disposal, the last of these controlled by ministerial notifications. A Hazardous Substances Committee chaired by the Minister of Industry advises, and the responsible agency for each substance is designated by Gazette notification under Section 18 paragraph 2 and Section 19, so several agencies may administer different substances. Substances fall into four types: Type 1 must follow prescribed rules, Type 2 requires prior notification, Type 3 requires a licence, and Type 4 is prohibited except for written-permission use as a laboratory reference standard (Section 43) or a ministerial exemption (Section 44). The Act also covers registration, advertising, official inspection and seizure powers, civil liability for damage, and criminal penalties.
The summary above is a plain-English educational paraphrase of Section 23 of the Hazardous Substances Act. It is not an authoritative translation. For the binding Thai text, consult the Royal Gazette or the Office of the Council of State. Educational use only — not a substitute for advice from a Thai-qualified lawyer.
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