Alcance
                            ISO 29061-5:2017 provides criteria for judgement of usability of booster seat child restraint systems (CRS) when installing them and securing a child.ISO 29061-5:2017 provides criteria for judgement of:-      ease of availability of instructions;-      clarity of instruction manual and labelling; and-      ease of use of design related features of the CRS related to the installation in a vehicle.The procedure can also be used for evaluation of vehicle integrated booster systems.NOTE       Although ISOFIX is defined in the original "ISOFIX" standard (ISO 13216‑1) to be a rigid system, the term "ISOFIX" in this document is extended to include flexible CRS attachments (LATCH, UAS).