insert
(4) A copy of the certificate and the brake test results mentioned in subsection (2) (c) must be—
(a) kept at the premises for at least 12 months; and
(b) available for the road transport authority to inspect on request.
(5) In this section:
"brake test results", for a vehicle, means the results of a test of the vehicle using a brake testing machine that complies with the prescribed requirements set out in schedule 2.