What To Do If You Can’t Reach Your Accountant Before the September 15 Deadline

a man stressing over deadlines on the calendar

September can be one of the most stressful times of the year for business owners and individuals alike. It can feel like the walls are closing in if you can’t get in touch with your accountant by the September 15th deadline. Whether you’re waiting on a return to be filed, extensions to be managed, or simply need answers about estimated payments, being left in the dark is the last thing you want right now.

The good news? You still have options. Let’s walk through the steps you can take if your accountant is unavailable as the September 15 deadline approaches.

Step 1: Verify the Urgency of Your Situation

women stressed at computer; worried that she's going to miss the september 15th tax deadline

Before panicking, clarify exactly what’s due on September 15. For many, this deadline applies to:

  • Estimated quarterly tax payments for individuals and businesses
  • Calendar-year partnership and S corporation returns (if on extension)
  • Certain trust and estate filings

If you’re unsure what applies to you, pull out last year’s return or check the IRS website. Knowing whether you have a true deadline or just an upcoming estimated payment will help you prioritize your next move.

Step 2: Try Every Channel of Communication

It may seem obvious, but if your accountant hasn’t replied to email, try another mode of communication:

Someone holding a phone to contact their accountant
  • Phone calls (either office or mobile if available)
  • Emails or portal messages
  • Texts (if you’ve used this before)
  • Contacting their office staff or assistant

Sometimes accountants are simply buried under last-minute work and can’t respond right away. A quick message marked “Urgent – September 15 Deadline” in the subject line may help your query rise to the top.

Step 3: Gather and Organize Your Documents

Even if you can’t reach your accountant right now, use the time wisely. Pull together:

  • Last year’s return
  • Any IRS or state notices
  • 1099s, K-1s, and W-2s
  • Year-to-date financials if you run a business

Having this documentation ready will save valuable time if you’re able to connect with your accountant or if you decide to consult another firm.

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Step 4: Make the Minimum Payment

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If you know you owe estimated taxes but can’t get exact figures, it’s often better to pay something rather than nothing. The IRS allows you to make payments online through irs.gov/payments. Even if the number isn’t perfect, a good-faith payment reduces the chance of penalties and interest.

As a rule of thumb, paying 100-110% of last year’s liability (depending on income level) generally keeps you safe from underpayment penalties.

Step 5: Explore a Backup Plan

If your accountant continues to be unreachable, it may be time to consider your alternatives. Deadlines are deadlines, and your business can’t afford missed filings.

A proactive step is to speak with another accounting firm that can step in quickly if needed. Even an initial consultation can give you peace of mind and clarify what your immediate risks are.

For example, firms like JBS Corp often work with business owners and entrepreneurs who find themselves in these situations. Having a responsive team in your corner means you’re not left scrambling when the IRS clock is ticking.

Step 6: Reflect on the Bigger Picture

Once the September 15 crunch passes, take a step back and evaluate your relationship with your accountant:

  • Do they respond in a timely manner, especially during deadlines?
  • Are they proactive in reminding you of upcoming obligations?
  • Do they provide guidance beyond tax prep, such as business growth or financial strategy?

If the answer to these questions is “no,” it may be time to reconsider whether they’re the right fit for you long-term. Reliable accounting shouldn’t feel like chasing down answers.

Final Thoughts

Not being able to reach your accountant during a critical deadline can be unsettling, but you’re not powerless. By clarifying what’s due, organizing your documents, making at least a good-faith payment, and lining up backup support, you can get through September 15 without disaster.

Annie, Anyi, Toby, and Cristal

And if this experience has you rethinking your relationship, you’re not alone. Many business owners eventually find they need an advisor who’s as invested in their success as they are. If you’re looking for that kind of partnership, it may be worth connecting with a firm like JBS Corp, where our timely communication and strategic insight are frequently mentioned in reviews.