NRS 111.140: Statements of witnesses under oath before certificate granted.

No certificate of any such proof shall be granted unless:

1. A competent and credible witness shall state, on oath or affirmation, that the witness personally knew the person whose name is subscribed thereto as a party, well knew the person’s signature (stating his or her means of knowledge), and believes the name of the person subscribed thereto as a party was subscribed by such person.

2. A competent and credible witness shall, in like manner, state that the witness personally knew the person whose name is subscribed to such conveyance as a witness, well knew the person’s signature (stating his or her means of knowledge), and believes the name subscribed thereto as a witness was thereto subscribed by such person.