Just got a letter from the irs explaining the problem. We just called our CPA and they did their due diligence. In this case it was our error. The last time it

Just got a letter from the irs explaining the problem. We just called our CPA and they did their due diligence. In this case it was our error. The last time it was the IRS’ error. Both times it was very clear what the problem was. If your taxes are more complex then expect more confusion. But at that point you should probably hire a CPA