There are currently 2 valid petitions out there, so make sure to sign both and share as widely as possible. The other one is
Further to the 20mm/all shotguns issue: phone calls to the RCMP have had them say they would not be seizing shotguns on that basis, and Blair has tweeted that was not the intent of the OIC. Add to that multiple lawyers weighing in with their opinion.
I think it's best to be guided by the words of CCFR's Tracey Wilson: "Phone calls with the RCMP are not law; Tweets from Bill Blair are not law; Legal opinions from lawyers are not law. The OIC is law"