24 C.F.R. § 203.417
Rate of interest of certificate of claim
Each certificate of claim shall provide that there shall accrue to the holder thereof with respect to the face amount of such certificate, an increment at the rate of 3 percent per annum.
Each certificate of claim shall provide that there shall accrue to the holder thereof with respect to the face amount of such certificate, an increment at the rate of 3 percent per annum.