If a contract between a manager for reinsurance and the reinsurer he or she represents provides for a sharing of interim profits by the manager for reinsurance, the interim profits must not be paid until 1 year after the end of each underwriting period for property insurance and 5 years after the end of each underwriting period for casualty insurance, and not until the adequacy of reserves on remaining claims has been verified pursuant to NRS 681A.550.