1650.12—Single payment.
        
        (a) Partial withdrawal.
         A participant can elect to withdraw a portion of his or her account balance in a single payment and leave the rest in the TSP until a later date, subject to  § 1650.16 and the following requirements:
    
    
        
        (1) 
         The participant is eligible for a partial withdrawal only if he or she did not make an age-based in-service withdrawal from that account.
    
    
    
    
        
        (b) Full withdrawal.
         A participant can elect to withdraw his or her entire account balance in a single payment.