Exceptio non adimpleti contractus
Defined in 1 dictionary — Black's (1910)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
An exception in an action founded on a contract involving mutual duties or obligations, to the effect that the plnintiff is not entitled to sue because he has not performed his own part of the agreement. Mackeld. Rom. Law, § 394.
Defined under Exceptio in Black's Law Dictionary.