Iowa Code Title XIII. Commerce [Chs. 505-554D] § 511.35. Limitation on proofs of loss

No stipulation or condition in any policy or contract of insurance or beneficiary certificate issued by any company or association mentioned or referred to in this chapter, limiting the time to a period of less than one year after knowledge by the beneficiary within which notice or proofs of death or the occurrence of other contingency insured against must be given, shall be valid.