Foreword
1 Modification to Clause 5, Identification requirements
2 Modifications to Clause 6, Basic requirements
3 Modification to 10.2, Abrasion resistance - Lisson
test - Mass loss per unit area (m[v])
4 Modification to 10.5, Change in appearance
5 Modifications to Annex C, Criteria for the assessment
of stair suitability