Name: Number of Issues, with a Maturity Between 10 and 20 Days, Used in Calculating the AA Nonfinancial Commercial Paper Rates data
Creator: FRED
License: https://macrobymark.com/about/terms-of-use#data-providers

Number of Issues, with a Maturity Between 10 and 20 Days, Used in Calculating the AA Nonfinancial Commercial Paper Rates data | Macro by Mark