Negotiable Instruments Act, 1881
20. Inchoate stamped instruments
Where one person signs and delivers to another a paper stamped
in accordance with the law relating to negotiable instruments then in force in
14[India], and either wholly blank or having written thereon an incomplete negotiable
instrument, he thereby gives prima facie authority to the holder thereof to
make or complete, as the case may be, upon it a negotiable instrument, for any
amount specified therein and not exceeding the amount covered by the stamp. The
person so signing shall be liable upon such instrument, in the capacity in
which he signed the same, to any holder in due course for such amount; provided
that no person other than a holder in due course shall recover from the person
delivering the instrument anything in excess of the amount intended by him to
be paid thereunder.