NOTE: The Pickleball Association of Ontario, Pickleball Canada and the USA Pickleball Association follow the International Federation of Pickleball Rules as listed below.
For the basics on ‘How to Play’ – click here
Rules of the Game
Detailed Official Rules check the International Federation of Pickleball (IFP) rule page:
For a brief outline of the rules check any of the following sites:
Approved Paddles, Balls & Legal Serve
Approved and Unapproved paddles are listed on the IFP website at:
http://ipickleball.org/rules/IFP_Paddle_Material_Specifications.pdf
Approved balls are listed on the IFP website at:
http://ipickleball.org/index.php?page=rules/ball_list.html
For a USAPA video clip showing what constitutes a legal serve please go here:
a) Watch this video clip from the USAPA: http://training.usapa.org/judgingserves. The best advice is to use an underhand bowling motion with no sidearm movement.
b) Here is a second clip which provides a different perspective on the problem of how to determine if a serve is legal or not: http://www.youtube.com/watch?v=DOq4SN6GzvY
Referee Training

Main Resource:
The PAO Referee Training and Refresher Manual
Additional Resources:
The Art of Refereeing from the USAPA Online Referee Clinic
Judging Serves – Credit to the USAPA Online Referee Clinic
Equipment – Suppliers & Distributors
For special PAO discounts on paddles & balls click here
Toronto sports store http://www.marchants.com/Pickleball_s/2780.htm
Victoria, B.C. supplier http://www.courtsidesports.com/store/department/45/Pickleball/
London, ON supplier www.ofcourts.ca