Section 33-417 - Law governing validity of instruments; recording of instruments valid when executed; validity of instruments recorded prior to October 1, 1913A. The execution, acknowledgment, form or record of a conveyance or other instrument, shall depend for its validity and legality upon the laws in force when the act was performed.B. Conveyances of real property made and acknowledged according to laws in force in this state at the time the conveyances were made and acknowledged shall have the same force as evidence, and may be recorded in the same manner and with like effect as conveyances executed and acknowledged pursuant to the provisions of this chapter.C. Instruments affecting real estate, duly signed and recorded in the office of the proper county recorder prior to October 1, 1913, are legal and valid to the same extent as if acknowledged and recorded as required by the provisions of this chapter.