"ca" . "Entities connected with" . "Provincially registered companies originally had to register at third level under province code, but now anybody may register at second level" . "1987-05-14" . . "Official CIRA documents" . . . . "Active" . . ".ca" . "There are Canadian presence requirements for registrants" . "Canadian Presence Requirements" . . ".yk.ca" . ".ca" . "Canadian Internet Registration Authority" . . . . ".ca#Third-level (provincial) and fourth-level (municipal) domains" . .