Table 2

Minor and serious errors

Restraint types	Minor	Serious
Rearward facing and forward facing restraints	Harness height error	Harness buckle not used/engaged correctly
	Harness slack <25 mm	Arms not within harness
	Harness webbing twists	Harness slack >25 mm
	Harness webbing twists	Harness off one or both shoulders
	Seat belt and ISOFIX compatible system used*	No lower anchorage system used*
	ISOFIX compatible anchorage webbing or seat belt webbing twists*	ISOFIX compatible anchorage or seat belt buckle not engaged correctly*
	ISOFIX compatible anchorage webbing or seat belt <25 mm slack*	ISOFIX compatible anchorage webbing or seat belt>25 mm slack*
		Incorrect seat belt routing*
		Infant carrier not correctly engaged with base*
		Infant restraint stabiliser bar required but not used*
Rearward facing, forward facing restraints and booster seats	Top tether slack <25 mm*	Top tether required but not used*
	Top tether webbing twists*	Top tether slack >25 mm*
		Incorrect Top tether routing*
		Top Tether anchored to incorrect point*
Booster seats		sash guide not used (including antisubmarine clips)*
Booster seats and adult seat belts	Seat belt webbing twists	Sash belt used incorrectly, for example, placed behind back, under arm
	Seat belt slack <25 mm	Seat belt buckle not engaged
	Seat belt slack <25 mm	Seat belt slack >25 mm