Periodic payment plan certificate
(27) “Periodic payment plan certificate” means (A) any certificate, investment contract, or other security providing for a series of periodic payments by the holder, and representing an undivided interest in certain specified securities or in a unit or fund of securities purchased wholly or partly with the proceeds of such payments, and (B) any security the issuer of which is also issuing securities of the character described in clause (A) of this paragraph and the holder of which has substantially the same rights and privileges as those which holders of securities of the character described in said clause (A) have upon completing the periodic payments for which such securities provide.