In narcotics Act BE 2522. Section 7 have 5 category.Any person produce,import,export,sells,or used narcotics.Must be punished by Narcotics Act.Each category of narcotics have a different punishment.such as
Section 91 Any person who consumes narcotics of category I shall be liable to imprisonment for a term of six months to three years or to a fine of ten thousand to sixty thousand baht or to both.
Section 92 Any person who, in violation of Section 57, consumes narcotics of category V shall be liable to imprisonment for a term not exceeding one year or to a fine not exceeding twenty thousand baht or to both.