Fed. R. Evid. 604
Interpreter
An interpreter must be qualified and must give an oath or affirmation to make a true translation.
( Pub. L. 93–595, § 1 , Jan. 2, 1975 , 88 Stat. 1934 ; Mar. 2, 1987 , eff. Oct. 1, 1987 ; Apr. 26, 2011 , eff. Dec. 1, 2011 .)