RIEN EN ARRERE

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
RIEN EN ARRERE, pleading. Nothing in arrear; nothing remaining due and 
unpaid. 
     2. The plea in an action of debt for rent, may be rien en arrere. This 
is a good general issue. Cowp. 588: Bac. Ab. Pleas, I; 12 Saund. 297, n. 1; 
2 Lord Raym. 1503; 2 Chit. Pl. 486; 4 Bouv. Inst. n. 3576. 
    

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