OPIA Membership Application If you would like to pay by cheque, please fill out the PDF version of the membership form and mail with cheque to:OPIA, c/o Ursula Wengler, Registrar22 Dalegrove Cres Etobicoke, ON M9B 6A7If you would like to pay by E-transfer, please also fill out the PDF version of the form and send payment to registrar@opia.info