CAN/CSA-Z323.4.4-M89 (R1998)

This National Standard of Canada is equivalent to International Standard ISO 7176-3:1988. 1. Scope 1.1 The purpose of this Standard is to provide guidance to assist clinicians and wheelchair users in interpreting the increased information that will appear in manufacturers' literature as a result of testing in compliance with this Standard. 1.2 This Standard specifies methods for determining the effectiveness of the brakes of wheelchairs (manual, electric, and any others). 1.3 In this Standard, shall indicates a mandatory requirement; should indicates a recommendation, ie, that which is advised but not mandatory. Notes accompanying clauses do not include mandatory or alternative requirements. The purpose of a note accompanying a clause is to separate from the text explanatory or informative material that is not properly a part of the Standard. Notes to figures and tables are considered to be part of the figure or table and are written as mandatory requirements.