Laws on Negotiable Instrument Art. 16 - 20

Sec. 16. Delivery; when effectual; when presumed. - Every contract on a negotiable instrument is incomplete and revocable until delivery of the instrument for the purpose of giving effect thereto. As between immediate parties and as regards a remote party other than a holder in due course, the delivery, in order to be effectual, must be made either by or under the authority of the party making, drawing, accepting, or indorsing, as the case may be; and, in such case, the delivery may be shown to have been conditional, or for a special purpose only, and not for the purpose of transferring the property in the instrument. But where the instrument is in the hands of a holder in due course, a valid delivery thereof by all parties prior to him so as to make them liable to him is conclusively presumed. And where the instrument is no longer in the possession of a party whose signature appears thereon, a valid and intentional delivery by him is presumed until the contrary is proved.

Sec. 17. Construction where instrument is ambiguous. - Where the language of the instrument is ambiguous or there are omissions therein, the following rules of construction apply:chanroblesvirtuallawlibrary
(a) Where the sum payable is expressed in words and also in figures and there is a discrepancy between the two, the sum denoted by the words is the sum payable; but if the words are ambiguous or uncertain, reference may be had to the figures to fix the amount;

(b) Where the instrument provides for the payment of interest, without specifying the date from which interest is to run, the interest runs from the date of the instrument, and if the instrument is undated, from the issue thereof;

(c) Where the instrument is not dated, it will be considered to be dated as of the time it was issued;

(d) Where there is a conflict between the written and printed provisions of the instrument, the written provisions prevail;

(e) Where the instrument is so ambiguous that there is doubt whether