The 'driver's handbook' ,what you read 5 minutes befor eyour test, say any trailer over 2990# needs brakes yet no where in the HTA is that to be found.
Yes it is:
64(5) Every trailer or semi-trailer having a gross weight of 1,360 kilograms or more shall be equipped with brakes adequate to stop and to hold the vehicle. R.S.O. 1990, c. H.8, s. 64 (5).
As for tires, they come under Regulation 625:
7. (1) No person shall operate on a highway a motor vehicle, trailer, device or apparatus equipped with tires that,
(a) bear the words “not for highway use”, “farm use only” or “competition circuit use only”;
(b) bear the letters “SL”, “NHS” or “TG” after the tire designation;
(c) bear any other wording or lettering indicating that the tire was not designed for highway use; or
(d) were not manufactured to comply with the standards prescribed under the Motor Vehicle Tire Safety Act (Canada) and the regulations made thereunder as they existed on the 28th day of February, 1985. R.R.O. 1990, Reg. 625, s. 7 (1).
The MVTSA restricts the use of LT tires to trailers, but does not require them on trailers:
"ST tire***8194;means a tire designed for use only on trailers drawn on a road.***8194;(pneu à usage spécial)"
(Note: I am not a lawyer and the above should not be taken as legal advice. It is just my 2¢ and worth every penny)