1.  After paternity is alleged pursuant to NRS 425.3826, and a written response denying paternity and requesting a hearing is received by the Chief pursuant to paragraph (g) of subsection 1 of NRS 425.3824, the Chief shall order blood tests or tests for the genetic identification of the child, mother and alleged father if the child, mother or alleged father submits to the Chief a written statement signed under oath which:

(a) Alleges paternity and sets forth facts establishing a reasonable possibility that the mother and the alleged father had sexual intercourse at or about the probable time of conception; or

(b) Denies paternity and sets forth facts establishing a reasonable possibility that the mother and the alleged father did not have sexual intercourse at or about the probable time of conception.

2.  Except as otherwise provided in subsection 3, the Division shall pay the costs of any tests conducted pursuant to this section. If the district court approves a recommendation establishing the paternity of a child pursuant to NRS 425.3844, the father shall reimburse the Division for the costs of those tests.

3.  If the child, mother or alleged father contests the results of a test conducted pursuant to this section, the Division shall order the parties to submit to additional testing upon the payment of the costs of the additional tests by the contesting party.