Motor Vehicle Safety Regulations — 210.2
210.2 (1) Subject to subsection (2), this section applies to every (a) passenger car; (a.1) three-wheeled vehicle; (b) multi-purpose passenger vehicle and truck with a GVWR of 3 856 kg or less and an unloaded vehicle weight of 2 495 kg or less; (c) bus, other than a school bus, with a GVWR of 4 536 kg or less; and (d) school bus. (2) This section does not apply to (a) a walk-in van; (b) a bus that has only one row of forward-facing designated seating positions rearward of the driver’s seat; (c) a vehicle that is not equipped with a manual cut-off switch to deactivate the frontal air bag installed at the right front outboard designated seating position when any restraint system or booster seat is installed, and that (i) has only one row of forward-facing designated seating positions, (ii) cannot accommodate, because of the location of transmission or suspension components, the installation of the bars of a lower universal anchorage system to permit the attachment to them of a child restraint fixture as shown in Figure 1 in a seating position located to the rear of the first row of seating positions, or (iii) has no seating position located to the rear of the first row of seating positions that is able to accommodate a child restraint fixture shown in Figures 2 to 4; or (d) a hearse. General (3) A lower universal anchorage system consists of two straight horizontal bars that (a) are transverse to the longitudinal axis of the vehicle; (b) have a diameter of 6 mm ± 0.1 mm and a length, measured in accordance with Figure 12, of not less than 25 mm; (c) are parallel, with collinear centroidal longitudinal axes, and are spaced laterally so that they permit the lower connectors on a child restraint fixture, shown in Figures 2 to 4, to be attached to them over the entire length of the lower connectors; (d) are an integral and permanent part of a vehicle seat or seat anchorage or the structure of the vehicle such that they can be removed only with the use of tools; (e) are rigidly attached to a vehicle seat or seat anchorage or the structure of the vehicle so that they will not deform more than 5 mm when subjected to a force of 100 N in any direction with the vehicle seat adjusted in the vehicle to its full rearward and full downward position and the seat back adjusted in the nominal design riding position; and (f) permit a checking device to be attached to them over the entire width of the checking device, with a gap of less than 1 mm between the surface of the bars and line M, shown in Figure 5. (4) Subject to subsections (7) and (8), a lower universal anchorage system shall be installed in a vehicle (a) in the case of a vehicle, other than a school bus, that has only one row of forward-facing designated seating positions, at one forward-facing designated seating position other than that of the driver; (b) in the case of a vehicle, other than a school bus, that has two or more rows of designated seating positions, and not more than two forward-facing designated seating positions located to the rear of the first row of designated seating positions, at all forward-facing designated seating positions located to the rear of the first row of designated seating positions; (c) in the case of a vehicle, other than a school bus, that has two or more rows of designated seating positions, and three or more forward-facing designated seating positions located to the rear of the first row of designated seating positions, at two forward-facing designated seating positions located to the rear of the first row of designated seating positions, with at least one lower universal anchorage system being installed at a forward-facing designated seating position in the second row of designated seating positions; (d) in the case of a school bus that has not more than 24 passenger designated seating positions, and only one forward-facing designated seating position other than that of the driver and those of a bench seat that is next to an emergency exit and co