border

Hi i first want to apologise if this is a stupid question as i am new here on bb but have been reading a lot i’m not sure if there is a simple solution but i was wondering how would a person in australia obtain the main chemicals for methamphetamine due to tight drug controls ( things like...

hello , there are some BMK pouders for sale I think 4 different CAS numbers I was wonder how we know if these CAS nr are still legal or not ? also how do they do it at the border to check if a substance is legal or not . do they just belive the CAS nr that is given on the item ?