Chicago misses grocery tax deadline, saving shoppers $40MChicago missed the Oct. 1 deadline to extend the grocery tax. Grocery shoppers will save $40 million for at least six months starting Jan. 1, 2026. Chicago missed the Oct. 1 deadline to pass a grocery tax, so Chicagoans will start saving money on groceries at least through the first half of 2026. The grocery tax revenue goes to local communities, and the Oct. 1 deadline was needed by IDOR to process payments by Jan. 1. Chicago missing the grocery tax deadline is good news for working families.