According  to the  article  131 of  Islamic Republic  of  Iran  labors , law at least 10 homogeneous industrial firm in each province can organize an " Association " to support  their common rights and Interests at the provincial level .
So far , flour millers throughout the country have organized 18 such associations . To acquire a more unified and stronger  position  at the national level ,provincial associations have  joined forces and combined their efforts further by organizing the federation of Iranian flour milling industry associations .