Anything over a 5 gallon store bought labelled container requires a TDG certificate to be transported. The container you carry it in also has to be labelled. You can obtain your TDG certificate online here: https://worksitesafety.ca/product/training/online/tdg-online-training/?gclid=EAIaIQobChMIh8afz73t5gIVD_DACh1JIwJ4EAAYASAAEgJwz_D_BwE
Your labels can be printed online or you can buy a sticker online for your tank. The course teaches you everything you need to know and only costs $30.00. Here’s a hint: All of the multiple choice questions are in the same order no matter how many times you do the test. Pay attention to the correct answers of the questions you get wrong so you can correct them the second time around.