Annual membership runs January 1 through December 31.
NOTE: Membership was changed in summer 2017 to run the calendar year instead of November 1 through October 31.
Payment of dues or other contributions to ISCA are not tax deductible as charitable contributions for income tax purposes. They may, however, be tax deductible as ordinary and necessary business expenses to the extent not allocated to lobbying expenditures. ISCA estimates that the non-deductible portion of your dues for 2018 is 50%.