The date listed in the document as the date on which the last update of the chemical information. Which is changed to reduce or increase the type of chemicals or have quantity changes of chemical control, etc.
Date shown is the date the updated document, the detailed chemical. , which will change only when there is a decrease or increase of the chemical species. Or change the amount of the controlled substance.
The date shown in the documents is that most of the chemical information update , which will change when a reduction or increase the kinds of chemicals Or to change the amount of chemicals that control, etc.