Sub modo

Sub modo is Latin for "Subject to a modification or qualification." In a contract sub modo, the agreement between the parties may be altered or limited within certain parameters.

For example, in a 19th Century United States Supreme Court case, Eldridge v. Trezevant, 160 U.S. 452, a landowner with property adjoining the Mississippi River filed for an injunction to block the State of Louisiana from building a levee through his property. Citing an earlier Louisiana case, Ruch v. New Orleans, 43 La. Ann. 275, the Court upheld a lower court's dismissal of the injunction, stating