Each serial or subserial of biological product prepared in a licensed establishment shall be given an expiration date determined in accordance with the requirements provided in  § 114.13 or  § 114.14. A licensed biological product shall be considered worthless under the Virus-Serum-Toxin Act subsequent to the expiration date appearing on the label.
     
    
        
            Code of Federal Regulations
        
        [41 FR 44687, Oct. 12, 1976]