IRS limit on electronically filed tax returns
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The IRS imposes a limit of five on the number of tax returns that you may file electronically ("e-filing"). This limitation is imposed by the IRS, not by TaxAct.

Note: The IRS imposes the five-return limit specifically on electronically filed returns. If you reach the five-return e-file limit, you may submit paper copies of any additional tax returns.

Only licensed tax preparers are permitted to e-file more than five returns. If you're a licensed tax preparer, there's no limit to the number of returns you can file electronically. 

To e-file more than five tax returns, you'll need:

Licensed tax preparers can use any of TaxAct's Professional products to e-file an unlimited number of returns.