Section 562A.10 - Effect of unsigned or undelivered rental agreement1. If a landlord does not sign and deliver a written rental agreement signed and delivered to the landlord by the tenant, acceptance of rent without reservation by the landlord gives the rental agreement the same effect as if it had been signed and delivered by the landlord.2. If a tenant does not sign and deliver a written rental agreement signed and delivered to the tenant by the landlord, acceptance of possession without reservation gives the rental agreement the same effect as if it had been signed and delivered by the tenant.3. If a rental agreement given effect by the operation of this section provides for a term longer than one year, it is effective only for one year.