Simply download the PDF, fill it out thoroughly and send it by:

Fax (if method of payment is credit card, Canadians only!)
To: UNA-Canada, Model IJC
Fax: (613) 563 2455

OR

Post (if method of payment is by cheque or moneyorder)
UNA-Canada, Model IJC
Suite 300, 309 Cooper St
Ottawa ON, K2P OG5