Negotiable Instruments Act, 1881
21. "At sight", "On presentment",
"After sight"
In a promissory note or bill of exchange the expressions
"at sight" and "on presentment" means on demand. The
expression "after sight" means, in a promissory note, after
presentment for sight, and, in a bill of exchange after acceptance, or noting
for non-acceptance, or protest for non-acceptance.