Research conducted by Perplexity AI using the following sources:

• IRS announces first day of 2026 filing season; online tools and resources help with tax filing
• Early birds can begin filing their taxes on Jan. 26 this year
• When can you file your taxes in 2026? IRS says the tax filing season start date is Jan. 26.
• IRS announces start date of 2026 tax filing season: what to know
• IRS tax season 2026 starts Jan. 26: What to know about filing deadline
• Prepare to file in 2026: Get Ready for tax season with key updates, essential tips
• What taxpayers can do to Get Ready for the 2026 tax filing season
• Get ready to file your taxes
• Publication 509 (2026), Tax Calendars
• Electronic filing for business tax returns starts next week