No gift or grant shall be deemed to have been made as an advancement unless:

1. 1. So expressed in the gift or grant;
2. 2. Charged in writing by the decedent as an advancement; or
3. 3. Acknowledged in writing by the donee to be such.

[303:107:1941; 1931 NCL § 9882.303]—(NRS A 1999, 2344)