The Board of Governors discontinued the H.3 statistical release on September 17, 2020. For more information, please see the announcement posted on August 20, 2020.
Vault cash eligible to satisfy reserve requirements that's held by institutions not exempt from reserve requirements. This series is calculated as Total vault cash eligible to satisfy reserve requirments, held by institutions not exempt from reserve requirements (TLVAULT), minus the amount used to satisfy reserve requirements (VAULT).
Board of Governors of the Federal Reserve System (US), Vault Cash, Surplus (DISCONTINUED) [VAULTSUR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/VAULTSUR, February 27, 2021.