IRS announces tax relief for Iowa derecho victims IA-2020-05, August 26, 2020 IRS provides tax relief for victims of Iowa derecho; extends Oct. 15, other upcoming deadlines to Dec. 15 IR-2020-190, August 24, 2020 IRS announces tax relief for Iowa victims of severe storms and flooding IA-2019-02, March 25, 2019 How to Contact Your Local IRS Office