, ~- o- E) N( L6 k* R: \+ z+ ]3 v; _A valid licence from another Canadian jurisdiction can be exchanged for and equivalent class (Classes 1 through 7). Testing is not normally required, but medical and vision requirements must be met. A medical and proof of vision screening is required for Class 1, 2 and 4 and may be required for all other classes if applicant has a medical condition that may affect their ability to safely operate a motor vehicle. % p- p3 _! U2 ? " L8 f- ], E% z; z) j z是否只要换证即可?