Chiara Tincani of at least three days, to indicate the means of booking visits, with a preference for computerized ones, to point out the company's website or the so - called web page, and to offer tasting by glass goblets, as long as the organoleptic properties of the drink are not altered. One may wonder whether all these details are necessary and, moreover, whether these rules are respected, while public entities' knowledge of the overall activity mainly corresponds to urban planning and even health control. The detailed rules appear superfluous. Then, per Article 2, third paragraph, of the aforementioned decree, the regions, in cooperation with the most representative trade organizations of the wine and agri - food companies, may promote training courses. The same regions may establish lists of operators, and they have supervision, control and sanctioning functions, according to Article 2, fourth paragraph. It seems out of place to create such lists in the absence of any real public interest to promote. Moreover, there is no need for a regulatory provision regarding training, which can be carried out in the free market without any specific discipline. Both Law No. 205 of 2017 and the ministerial decree have reserved regulatory space for the regions. Thus, for example, for the law of the Tuscany Region No. 76 of 2019, the achievement of a certificate of attendance at a course organized by trade associations, professional orders or other qualified entities, with a minimum duration of fifty hours, becomes relevant. Also per that law, those who perform a wine tourism activity must take out a civil liability insurance contract to protect visitors. However, neither Law No. 205 of 2017 nor the ministerial decree provided for this obligation. The aforementioned regional law added it, and this raises some doubts of constitutional legitimacy, because the regulatory power recognized to the regions cannot encroach on matters
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