Monthly State and Local Government Series (SLGS) Securities Program Statistics provides monthly balances for securities outstanding and principal outstanding for State and Local Government Series (SLGS) securities. This data also indicates the security group and security type. SLGS Time Deposit securities include SLG Notes, SLG Certificates of Indebtedness (C of I's), SLG Bonds, and 90 Day C of I's. The maturity length of SLGS Time Deposit securities can be from 15 days for SLG C of I's up to 40 years for SLG Bonds. SLGS Demand Deposit securities are one-day C of I's.