When promise is unconditional.
Section 3
SEC. 3. When promise is unconditional.—An unqualified order or promise to pay is unconditional within the meaning of this Act, though coupled with— (a) An indication of a particular fund out of which reimbursement is to be made, or a particular account to be debited with the amount; or (b) A statement of the transaction which gives rise to the instrument. But an order or promise to pay out of a particular fund is not unconditional.