(1)A promissory note is an unconditional promise in writing made by one person to another signed by the maker, engaging to pay, on demand or at a fixed or determinable future time, a sum certain in money, to, or to the order of, a specified person or to bearer.
(2)An instrument in the form of a note payable to maker’s order is not a note within the meaning of this section unless and until it is indorsed by the maker.
(3)A note is not invalid by reason only that it contains also a pledge of collateral security with authority to sell or dispose thereof.
(4)A note which is, or on the face of it purports to be, both made and payable within the British Islands is an inland note. Any other note is a foreign note.