Federal Reserve Bank of Chicago. "DIDC Proposal, Phase-Out of Interest Rate Ceilings on Deposits and Final Rule, New Ceiling Rates for Six-Month MMCs and SSCs, Circular No. 2894" in Federal Reserve Bank of Chicago Bulletins and Circular Letters
(April 2, 1981).
https://fraser.stlouisfed.org/title/7180/item/701026, accessed on April 1, 2026.