4. The vehicle shall be such that – (a)each adult belt or disabled person’s belt fitted thereto is properly secured to anchorages provided for it and installed so that it can be used properly to restrain an occupant and such proper use includes, in the case of a lap belt its passing over the pelvic region and in the case of a harness belt or a three-point belt its restraining of the upper torso and not being liable to slip off the shoulder; (b)there are no sharp edges liable to cause abrasion or damage to the belts in normal use; and (c)in the case of lap belts and three-point belts, provision shall be made for the safe and convenient storage thereof. |