352.307—Eligibility for transfer.
         An employee is eligible for transfer to an international organization with the rights provided for in, and in accordance with,  sections 3581-3584 of title 5, United States Code, and this subpart, except the following:
    
    
        
        (a) 
         A Presidential appointee (other than a postmaster, a Foreign Service officer or a Foreign Service information officer), regardless of whether his appointment was made by and with the advice and consent of the Senate.
    
    
        
        (b) 
         A person serving in the executive branch in a confidential or policy-determining position excepted from the competitive service under Schedule C of  part 213 of this chapter.