Motor Vehicle Safety Regulations — 210.1
 forward-facing designated seating positions other than that of the driver and those of a bench seat that is next to an emergency exit and contains an adjacent seat, at eight of those forward-facing designated seating positions. (3.1) A user-ready tether anchorage shall be available for use at all times, except when the designated seating position at which it is installed is not available for use because the vehicle seat has been removed or converted to an alternate use, such as the carrying of cargo. (3.2) If a lower universal anchorage system is installed at a passenger designated seating position in the first row of designated seating positions in accordance with subsection 210.2(8), one user-ready tether anchorage shall be installed at that designated seating position. (3.3) The number of user-ready tether anchorages required under paragraphs (3)(b) and (c) may be reduced by one if a user-ready tether anchorage is installed in the first row of designated seatings positions in accordance with subsection (3.2). (3.4) [Repealed, SOR/2013-117, s. 8] (4) The portion of a user-ready tether anchorage that is designed to bind with the tether strap hook shall be readily accessible and, if under a cover, the cover shall be identified by one of the symbols or the mirror image of one of the symbols set out in Figure 2 and shall be removable without the use of tools. Tether Anchorage Positioning (5) Subject to subsections (5.1) and (7), the portion of each user-ready tether anchorage that is designed to bind with a tether strap hook shall be located within the shaded zone, as shown in Figures 3 to 7, of the designated seating position for which it is installed, with reference to the H-point of a template described in section 4.1 of SAE Standard J826, Devices for Use in Defining and Measuring Vehicle Seating Accommodation (July 1995), if (a) the H-Point of the template is located (i) at the unique Design H-Point of the designated seating position, as defined in section 3.11.1 of SAE Recommended Practice J1100, Motor Vehicle Dimensions (February 2001), at the full downward and full rearward position of the seat, or (ii) in the case of a designated seating position that is equipped with a lower universal anchorage system, midway between the two lower universal anchorage system bars; (b) the torso line of the template is at the same angle to the vertical plane as the vehicle seat back with the seat adjusted to its full rearward and full downward position and the seat back in its most upright position; and (c) the template is positioned in the vertical longitudinal plane that contains the H-point of the template. (5.1) In the case of a bus, no portion of the user-ready tether anchorage shall be located on the bus floor. (6) [Repealed, SOR/2008-72, s. 8] (7) The portion of a user-ready tether anchorage in a vehicle that is designed to bind with the tether strap hook may be located outside the shaded zone referred to in subsection (5), if no part of the shaded zone is accessible without removing a seating component of the vehicle and the vehicle is equipped with a routing device that (a) ensures that the tether strap functions as if the portion of the anchorage designed to bind with the tether strap hook were located within the shaded zone; (b) is at least 65 mm behind the torso line, in the case of a non-rigid-webbing-type routing device or a deployable routing device, or at least 100 mm behind the torso line, in the case of a fixed rigid routing device; and (c) when tested after being installed as it is intended to be used, is of sufficient strength to withstand, with the user-ready tether anchorage, the force referred to in subsection (8). Strength Requirements (8) Subject to subsection (10), every user-ready tether anchorage in a row of designated seating positions shall, when tested, withstand the application of a force of 10 000 N (a) applied by means of one of the following types of test devices, installed as a child restraint system w