Deadline passed MS-2026-01 · published Apr 14, 2026 · updated Apr 14, 2026
Severe winter storm: deadlines postponed to June 8, 2026
“These taxpayers now have until June 8, 2026, to file various federal individual and business tax returns and make tax payments.”
“Following the disaster declaration issued by the Federal Emergency Management Agency (FEMA), individuals and households that reside or have a business in Mississippi qualify for tax relief.”
The notice covers the whole state or territory.
The relief follows a FEMA disaster declaration. The new date has passed (as of Oct 30, 2026). Read the IRS release MS-2026-01.