75Accordingly, the answer to the 6th, 7th, 9th and 10th questions must be that national legislation, such as the Portuguese legislation, which authorises the operation and playing of games of chance or gambling solely in casinos in permanent or temporary gaming areas created by decree-law and which is applicable without distinction to its own nationals and nationals of other Member States constitutes a barrier to the freedom to provide services. However, Articles 49 EC et seq. do not preclude such national legislation, in view of the concerns of social policy and the prevention of fraud which justify it.
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