Ind. Code § 26-1-4-109
(b) Delay by a collecting bank or payor bank beyond time limits prescribed or permitted by IC 26-1 or by instructions is excused if:
(2) the bank exercises such diligence as the circumstances require.
Formerly: Acts 1963, c.317, s.4-109. As amended by P.L.222-1993, SEC.14.