An interpreter or translator is qualified to provide interpretation or translation services pursuant to NRS 449.141 to 449.147, inclusive, if the interpreter or translator:
1. Has demonstrated proficiency in and understanding of spoken or written, as applicable:
(a) English and at least one other language; or
(b) At least two languages that are not English if he or she is a relay interpreter or translator; and
2. Has demonstrated proficiency in interpreting or translating, as applicable, effectively, accurately and impartially, including, without limitation, using specialized vocabulary or terms without change, omission or addition.