Intended to cure (that is, to obviate the ordinary legal effects or consequences of) defects, errors, omissions, or irregularities. Applied particularly to statutes, a “curative act” being a retrospective law passed in order to validate legal proceedings , the acts of public officers, or private deeds or contracts, which would otherwise be void for defects or irregularities or for want of conformity to existing legal requirements . Meigs v. Roberts, 162 N. Y. 371, 56 N. E. 838, 76 Am. St. Rep. 322
Black’s Law Online Dictionary
