Originally Posted by
Transpacificflyer
I suggest that you read the Quarantine Act. the powers granted are extraordinary. At this time, it is highly unlikely that people are flying to sun destinations in the USA and returning by non owned vehicle. If more people try to exploit loopholes intended to give leeway, one can expect the leeway to be removed.
Impossible to ever enforce a mandatory covid test at a land border or they would have done it. A CDN cannot be denied entry into Canada at a land border and told to turn around to immediately then be denied entry to the USA as the USA land border is closed to non-essential Cdns.