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Section 17: Ambiguous instruments

Negotiable Instruments Act • Official Statutory Text & Practice Guide

Statutory Regulation
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Act 1881
Section 16 All 148 Sections of Negotiable Instruments Act Section 18

Legal Commentary & Landmark Judgments: Section 17

Section 17 governs 'ambiguous instruments', empowering the holder to elect whether to treat an instrument as a promissory note or as a bill of exchange when its form is capable of either construction.

  • Ambiguity of Form: Applies where the drafting leaves it doubtful whether the instrument is an order (bill) or an undertaking (note), such as when drawer and drawee are the same person.
  • Absolute Right of Election: The holder possesses the statutory right to elect how to treat the paper, and this election determines the applicable procedural rules.
  • Irrevocability of Election: Once the holder treats the instrument as a note or bill (e.g., by presenting it for acceptance or payment), they are bound by that election.
Key Landmark Precedents:
  • Miller v. Thomson (1842) 3 M & G 576: Established the classical common law principle that where a bill is drawn by an agent upon his principal's firm, the holder may elect to sue the maker as on a promissory note.
  • Girish Chandra v. Kishori Mohan: Affirmed that the drawer of an ambiguous instrument cannot defeat recovery by raising technical defects in instrument categorization.
Courtroom Practice & Strategic Litigation Guidance:

Where an instrument is drawn by a company branch upon its head office, counsel may elect to sue upon it as a promissory note under Section 17, bypassing the procedural requirement of presentment for acceptance.

Section 16 All 148 Sections of Negotiable Instruments Act Section 18