Most taxpayers who requested an extension to file their 2023 tax return must file by Oct. 15 Tax Tip 2024-81, Oct. 3, 2024 — The Oct. 15 extension deadline to file taxes is fast approaching. Most taxpayers who requested an extension of time to file their 2023 tax return must file by Tuesday, Oct. 15, to avoid the penalty for filing late. Get last minute tax filing help fast at IRS.gov Tax Tip 2024-80, Oct. 2, 2024 — For people who haven't filed their 2023 tax return yet, IRS.gov has resources to help them file electronically, get personalized tax account info and find the status of their refund. Extension filers: Gather all tax info before filing Tax Tip 2024-79, Oct. 1, 2024 — The deadline for taxpayers with an extension to file is around the corner — on Tuesday, Oct. 15. Tax tip archive IRS tax tips from January 2011 forward.