When a person is produced as a witness, the court may examine the person to ascertain capacity, and whether the person understands the nature and obligations of an oath, and the court may inquire of any person what peculiar ceremonies the person deems most obligatory in taking an oath.
Minn. Stat. § 595.06
(9819) RL s 4665; 1986 c 444; 2014 c 262 art 4 s 8