Methacrylic acid-divinylbenzene copolymer may be safely used in food in accordance with the following prescribed conditions:
    
    
        
        (a) 
         The additive is produced by the polymerization of methacrylic acid and divinylbenzene. The divinylbenzene functions as a cross-linking agent and constitutes a minimum of 4 percent of the polymer.
     
    
        
        (b) 
         Aqueous extractives from the additive do not exceed 2 percent (dry basis) after 24 hours at 25 °C.
     
    
        
        (c) 
         The additive is used as a carrier of vitamin B12 in foods for special dietary use.