01       Research, Development, Test & Evaluation (RDT&E)
02       Production
03       Both RDT&E and Production
04       Other
05       Procurement
06       Advanced Design
07       Full Scale Development
08       Engineering and Manufacturing Development (EMD)
11       Single Family
13       Multifamily Construction
14       Multifamily Project
15       Single Family Serial Note
20       Concept Exploration
21       Demonstration Validation
22       Deployment
23       Low Rate Initial Production
24       Multiple
25       Single
AQ       Adjustable Rate Mortgage with Off-Cycle Interest Charges
AR       Adjustable Rate Mortgages
AZ       Custom Adjustable Rate Mortgage
BD       Buydowns
CL       Construction Loan; Multifamily
CS       Construction Loan with Split Interest Rate
GA       Growing Equity Mortgage--Monthly Payments Increase 4% Annually Over the Life of 
         the Loan
GD       Growing Equity Mortgage--Monthly Payments Increase Annually at any Rate over 
         the life of the Loan
GP       Graduated Payment Mortgage--Monthly Payments Increase Annually for no more than 
         the first 5 years of the Mortgage
GT       Graduated Payment Mortgage--Monthly Payments Increase Annually for no more than 
         the first 10 years of the Mortgage
MH       Manufactured Housing
PL       Project Loan; Multifamily
PN       Project Loan with Non-Level Payments
SF       Single Family Level Payment Mortgage
SN       Serial Notes
SP       Straight Pass-Through