Applicants for permits shall submit an application form and Attachment 1.Applicants for registration documents shall submit an application form and Attachment 2.Applicants for approval documents of toxic chemical substances and of concerned chemical substances with hazardous properties, as announced by the central competent authority according to this Act (hereinafter referred to as hazardous concerned chemical substances), shall submit an application form and Attachment 3.Applicants for approval documents of concerned chemical substances other than those specified in the preceding paragraph shall submit an application form and Attachment 4.Attachment 1 Required Documents and Information for Applying Permits of Toxic Chemical Substances of Classes 1 to 3.pdfAttachment 2 Required Documents and Information for Applying Registration Document of Toxic Chemical Substances of Classes 1 to 3.pdfAttachment 3 Required Documents and Information for Applying Approval Documents of Toxic Chemical Substances and of Hazardous Concerned Chemical Substances.pdfAttachment 4 Required Documents and Information for Applying Approval Documents of Concerned Chemical Substances.pdf