557.8  Applicability.
  Section 557.7, except so far as declaratory of existing law, shall apply only to instruments executed on or after July 1, 1925, and to wills and codicils revived or confirmed by a will or codicil executed on or after said date.
[C24, 27, 31, 35, 39, §10047; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §557.8]