Dr. Medhat Nasr was involved in the creation of this management tool, and states that the document is ... "not only for the USA but included Canada. For registered products in Canada you will see the Canadian flag next to the USA flag". Click on this link for a pdf of the guide.


International Code for Marking Queens

White  Yellow  Red  Green  Blue
2016 / 2021 2017 / 2022 2013 / 2018 2014 / 2019 2015 / 2020
 1/6  2/7  3/8  4/9  5/0
 When  You  Re-Queen  Get the  Best
 Warned  You  Require  Gloves  Be