Fee charged by the provider of a letter of credit, standby bond purchase agreement, or other arrangement providing liquidity to purchase securities (typically variable rate demand obligations), that were tendered to the IssuerIssuerEntity that: issues Bonds for a Credit Enhancement Mortgage Loan; packages mortgages for sale as a Security for an MBS; or issues a Letter of Credit. but cannot be immediately remarketed to new investors, expressed as an annualized percentage.