Section 4--107. Time of Receipt of Items

(1)  For the purpose of allowing time to process items, prove balances
  and make the necessary entries on its books to  determine  its  position
  for  the day, a bank may fix an afternoon hour of two P.M. or later as a
  cut-off hour for the handling of money  and  items  and  the  making  of
  entries on its books.
    (2)  Any  item or deposit of money received on any day after a cut-off
  hour so fixed or after the close of the banking day may  be  treated  as
  being received at the opening of the next banking day.