35.100—Use of unsealed byproduct material for uptake, dilution, and excretion studies for which a written directive is not required.
         Except for quantities that require a written directive under  § 35.40(b), a licensee may use any unsealed byproduct material prepared for medical use for uptake, dilution, or excretion studies that is—
    
    
    
        
        (1) 
         A manufacturer or preparer licensed under  § 32.72 of this chapter or equivalent Agreement State requirements; or
    
    
        
        (2) 
         A PET radioactive drug producer licensed under  § 30.32(j) of this chapter or equivalent Agreement State requirements; or
    
    
    
    
        
        (2) 
         A physician who is an authorized user and who meets the requirements specified in  §§ 35.290, or 35.390 and 35.290(c)(1)(ii)(G); or
    
    
        
        (3) 
         An individual under the supervision, as specified in  § 35.27, of the authorized nuclear pharmacist in paragraph (b)(1) of this section or the physician who is an authorized user in paragraph (b)(2) of this section; or
    
    
        
        (c) 
         Obtained from and prepared by an NRC or Agreement State licensee for use in research in accordance with a Radioactive Drug Research Committee-approved protocol or an Investigational New Drug (IND) protocol accepted by FDA; or
    
    
        
        (d) 
         Prepared by the licensee for use in research in accordance with a Radioactive Drug Research Committee-approved application or an Investigational New Drug (IND) protocol accepted by FDA.