NRS 127D.140: When specific consent to adoption or relinquishment not required.

The execution of a specific consent to adoption or relinquishment by a parent shall not be necessary:

1. Where parental rights have been terminated by an order of a court of competent jurisdiction;

2. Upon the death of the parent, as evidenced by a certificate of death or other evidence deemed sufficient by the court; or

3. Upon the termination of the parental rights of the parent through operation of law by a birth father registry operated in another state.