Is there a difference between the content of the U.S., Canadian and ISO wheelchair transport standards?
The current wheelchair transport safety standards were developed at slightly different times at the national and international levels, therefore with varying degrees of harmonization. However, the basic principles and test procedures for all the standards are based on those used in the automotive industry, therefore the similarities far exceed the differences. The Canadian effort, under the auspices of the Canadian Standards Association (CSA), was completed first and unfortunately with relatively little collaboration with the US or ISO efforts. The following is a listing of the various standards and completion dates in Canda, USA and ISO: Canada: Z604: Transportable Mobility Aids -(Feb., 1997) Z605: Mobility Aid and Occupant Restraint (Feb., 1997) As of March 2001, both Z604 and Z605 are under revision which should help to align them more closely with the US and ISO counterparts. U.S: The ISO standards were developed with strong participation from the US, therefore the harmonization be
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