++++ 1. Social security of migrant workers - Employed person - Meaning within the terms of Article 73(1) of Regulation No 1408/71 - Self-employed person having paid contributions as employed person - Treatment as an employed person - Not permissible (Regulation No 1408/71 of the Council, Article 1(a), (i) and (ii), and Article 73(1) ) ) 2. Free movement of persons - Freedom of establishment - National of a Member State having the status of self-employed person in the territory of that State after having had that of employed person in another Member State - Refusal to pay child benefit for a child not residing on the territory of the State - Whether permissible (EEC Treaty, Art. 52)