You can enter the Loblaw customer survey contest on visiting StoreOpinion.ca and Loblaws Companies Ltd for stores like Zehrs, Maxi, Loblaws, etc., simply by providing them with the 19-21 digit code of your last customer receipt.

https://www.furaffinity.net/user/storeopinions
https://www.zubersoft.com/mobilesheets/forum/user-102749.html
https://idol.st/user/96147/storeopinions/
https://www.democracylab.org/user/28767
https://www.shippingexplorer.net/en/user/storeopinions/213888
https://www.discogs.com/de/user/storeopinionpc
https://sciter.com/forums/users/storeopinionsurvey/
https://gamblingtherapy.org/forum/users/storeopinions/
https://qna.habr.com/user/storeopinionpc
https://qna.habr.com/user/storeopinionpc
https://en.wikivet.net/User:Storeopinionsurvey
https://startupxplore.com/en/person/storeopinion-survey
https://www.dailymotion.com/storeopinions
https://klse.i3investor.com/web/cube/blog/storeopinionpc
https://hub.docker.com/u/loblawscanadasurvey
https://zrzutka.pl/profile/storeopinionsurvey-561948
https://pxhere.com/en/photographer-me/4807334
https://www.openpetition.de/nutzer/uebersicht
https://www.suamusica.com.br/loblaws-canadasurvey
https://www.ourboox.com/i-am/storeopinion-survey/