Ohio Rev. Code § 6101.52
Whenever the owner of any coupon bond issued pursuant to this chapter presents the bond to the treasurer of the conservancy district with a request for the conversion of the bond into a bond registered as to principal and interest, the treasurer shall cut off and cancel the coupons of the coupon bond presented, and shall stamp, print, or write upon the coupon bond, either upon the back or the face of it or in blanks provided for the purpose a dated and signed statement to the effect that the bond is registered as to principal and interest in the name of the owner and that thereafter the interest and principal of the bond are payable to the registered owner. Upon request of an owner similarly made for registration of any coupon bond as to principal only, the treasurer of the district shall similarly record on the bond a statement to the effect that the bond is registered as to principal and that thereafter the principal of the bond is payable to the registered owner. Thereafter, and from time to time, any bond so registered as to principal and interest or as to principal only may be transferred by the registered owner in person or by attorney duly authorized on presentation of the bond to the treasurer of the district and the bond again registered as before, a similar statement being stamped, printed, or written on it. If the bond is so registered, the principal and interest of the bond or the principal of it, if registered as to principal only, shall be payable to the registered owner. Upon request of the owner of any registered bond, the bond may be discharged from registration by being in like manner transferred and made payable to bearer and, if the bond has been registered as to interest, by attaching to it reproductions of the original interest coupons thereafter payable; but the cost of reproducing and attaching the coupons shall be paid by the owner of the bond. The treasurer of the district shall enter in a register of such bonds to be kept by the treasurer the fact of the registration of the bond and the name of the registered owner of it so that the register at all times shows what bonds are registered, the kind of registration, and the name of the registered owner.
R.C. § 6101.52