Declarant

from The Collaborative International Dictionary of English v.0.48
Declarant \De*clar"ant\, n. [Cf. F. d['e]clarant, p. pr. of
   d['e]clarer.] (Law)
   One who declares. --Abbott.
   [1913 Webster]
    
from Bouvier's Law Dictionary, Revised 6th Ed (1856)
DECLARANT. One who makes a declaration. Vide Declarationis. 
    

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