AU BESOIN. This is a French phrase, used in commercial law. When the drawer
of a foreign bill of exchange wishes as a matter of precaution, and to save
expenses, he puts in the corner of the bill, "Au besoin chez Messieurs or,
in other words, "In case of need, apply to Messrs. at __________
"___________." 1 Bouv. Inst. n. 1133 Pardess Droit Com. 208.