1. Any instrument by which any mortgage or deed of trust of, lien upon or interest in real property is subordinated or waived as to priority, may, in case it concerns only one or more mortgages or deeds of trust of, liens upon or interests in real property, together with, or in the alternative, one or more mortgages of, liens upon or interests in personal property or crops, the instruments or documents evidencing or creating which have been recorded prior to March 27, 1935, be recorded, and from the time any of the same are so filed for record shall operate as constructive notice of the contents thereof to all persons.
2. Each such filing or recording shall be properly indexed by the recorder.
[Part 1:120:1935; 1931 NCL § 2122.31]—(NRS A 1965, 925)