The following program funds are kept in a National Office reserve and are available as determined administratively:
    
    
        
        (a) 
         Section 523 Self-Help Technical Assistance Grants.
     
    
        
        (b) 
         Section 523 Land Development Fund.
     
    
        
        (c) 
         Section 524 Rural Housing Site Loans.
     
    
        
        (d) 
         Section 509 Compensation for Construction Defects.
     
    
        
        (e) 
         Section 502 Nonsubsidized Funds.