Gives guidance on the design, manufacture, marking and packaging of lower limb orthoses, except foot orthoses. Guidance on the materials used and on the manufacture of lower limb orthoses is given in appendices. Does not apply to orthotic devices for use in the immediate treatment of acute trauma cases, nor to resting splints. Covers definitions, categories, ankle foot orthoses, knee orthoses, knee ankle foot orthoses, orthoses for the hip and toxicity and skin sensitivity.