The institutional frame that conditions today the institution and operation of professional laboratories and manufactures in the basin of Attica, it is radically reformed with Law 2965/2001. This Law comes forth to abrogate the Presidential Order No. 84 of 1984 which for more than fifteen years constituted the basic legislative frame for the development of craft-based activity in the region of Attica. With this Law the classification of industrial activities is divided in low, medium and high ha