Backdoor Roth Conversion: IRA Basis

[VAer]

Could someone please explain more about IRA basis?

Thanks

https://www.irs.gov/pub/irs-pdf/f8606.pdf

[DanaB27 · Accepted solution]

This question is about your prior year basis in your traditional IRA and you will find this on you last filed Form 8606. Please see line 2 instructions for additional information.

You have basis in your traditional IRA if you made nondeductible contributions to your traditional IRA. 

[VAer]

Thanks.