500
Three of the five essentials for negotiability of commercial paper.
What is 1) must be in writing and signed by maker/drawer, 2) must contain an unconditional promise or order to pay a definite sum, 3) must be payable on demand or at a definite time, 4) must be payable to order, to bearer, or to cash, 5) a draft/check must name or indicate the drawee with reasonable certainty. (3/5 required)