provision of services, we find ourselves in agreement with the controversial position adopted by the Panel and the Appellate Body for reasons that we shall later explain. It is, however, far from certain whether the measures challenged in Gambling fall into this category. It is far from certain because of a failure to deal with an indispensable step in the legal reasoning, a step necessary before one may arrive at the conclusion that an origin-neutral regulatory measure having a ‘zero effect’ does in fact and in law violate Article XVI. Even if one takes the view, as did the Panel and the Appellate Body, that in principle such measures may violate Article XVI, there is a serious issue if such is the case if the effects of the measure are felt only ‘on part of a scheduled sector’ or if the measure in question restricts only one means of delivery covered by Mode 1, leaving others unaffected.