hazardous substances act no.4 b.e. 2562 2019 the updating law stipulated major amendments as the following to state the definition for transit of hazardous substances as to reflect the genuine manner of its activity which is clearly separate from the import. this aspect facilitates lower burden and speeds u the customs process for hazardous substances entrepreneurs whereby it reduces the bureaucratic steps from the original processing. the new rules have been established for more appropriate regulation for instance as the following - requirements for damage insurance - identifying the specific customs border for transit of hazardous substances - upon the completion of all transit activities the respected commodity shall be exported within 5 days from its release by the import customs check point - the transit licensee shall be a legally registered hazardous substances importer-exporter under the kingdom of thailands legislation - determining the transit license fee to impose a waiver for substances that are necessary to be brought back or returned in order to reduce the excessive duty from repeating the same procedure provided that the responsible authority provisions and conditions are flowed. to establish provisions aimed at exemption for unitizations of hazardous substances under the purposes of study analysis research and development. this prosperous rule will reduce undue burden and introduce more efficient in practice. with respect to the regulation of hazardous substances advertisement the related provision has been stipulated enabling full supervision by its own authority. the section shall comprehensively invalidate the previous implementation under the consumer protection legislation. to stipulate provisions in accordance to the payment of preliminary damage it compensates those who have been adversely affected by hazardous substances including the responding agency. in case the commodity has been insured the compensation shall be paid beforehand without liability approval. additional provisions the responsible agency shall demand the importer or transit operator that violates or does not comply with the law to urgently deliver of hazardous substances outside the kingdom of thailand and once determine that such hazardous substances shall not be destroyed or manipulated in the kingdom of thailand the responsible agency shall collect hazardous substances samples as necessary evidence for the proceedings.