443 annex 7b singapore s schedule of specific commitments explanatory notes 1 the classification service sectors in this is based on 1991 provisional central product cpc united nations statistical office unless otherwise indicated by absence a number ordering reflects services sectoral list as used gatt document mtn gns w 120 dated 10 july scheduling follows guidelines stated documents 164 3 september 1993 and add 30 november 2 use against individual codes indicates that commitment for code shall not extend to total range covered under entry unbound means due lack technical feasibility cabotage maritime transport sector are listed chapter 7 does apply those 444 modes supply cross border consumption abroad commercial presence 4 natural persons or subsector limitations market access national treatment additional horizontal all included