3429 (a) (5) provides as follows:   (a) No policy or contract insuring against liability for injury to person . . . or against liability for injury to, or destruction of, property shall be issued or delivered in this state, unless it contains in substance the following provisions . . . . . . . (5) A provision that failure to give any notice required to be given by such policy within the time period prescribed therein shall not invalidate any claim made by the insured, injured… [read post]