The failure to prepare and have published the argument and other matter as provided by law shall not invalidate the election held on any initiative or referendum or Constitutional amendment proposed by the Legislature, and no election on any such measure shall be declared or held invalid on the grounds that such publication was not so prepared or published.
Laws 1916, c. 32, p. 89, § 4; Laws 1917, c. 173, p. 307, § 3.