Your User ID must contain between eight and sixteen characters, no special characters (for example: %, #, @) and may contain up to seven digits. When creating your User ID, we recommend that you:
make your User ID easy for you to remember and hard for others to guess;
avoid using personal information such as your name, Social Insurance Number (SIN), mailing address or email address;
always keep your User ID secure and do not share it with anyone.