12 C.F.R. § 615.5105
Consolidated Systemwide notes
Consolidated Systemwide notes authorized under § 615.5100(b) shall be subject to the following provisions unless otherwise approved by the Farm Credit Administration:
(a) Maturities shall be not less than five days nor more than 365 days.
(b) Prices shall be on a discount yield basis or as determined by the Funding Corporation.