113. When a bill of exchange has been noted or protested for non-payment, any person may pay the same for the honour of any party liable to pay the same: provided that the person so paying [or his agent in that behalf] has previously declared before a notary public the party for whose honour he pays, and that such declaration has been recorded by such notary public.
Negotiable Instruments Act, 1881
Section 113: Payment for honour
Chapter XI — Of Acceptance and Payment for Honour and Reference in Case of Need
Source: official text of the Negotiable Instruments Act, 1881.