Retirement tax questions

Update.....The brokerage company was able to do an internal transfer.  They had called it a redeposit so if you are looking for the terminology to use instead of a return of excess contribution (which is incorrect due to what dmertz had explained above.).   Also, with the tax codes that dmertz had highlighted helped push this internally.  The transaction history in my IRA now reflects an error in deposit also removed the interest earned on that money.  The transaction history in my Roth IRA reflects a rollover deposit with a backdate of Aug 22, 2022.  I also, asked about the tax form that I should be receiving from them in May which is tax form 5498 on how it would reflect.  They will be issuing a 5498 with box 2 filled out where a rollover credited to a Roth IRA backdated to Aug. 2022.  

 

I'm assuming everything is good now?  Do I still need to file the extension?  If so, I am filing the extension just to see what 5498 they send to me?  Please explain further.

 

I would like to say thank you very much to dmertz for all your assistance and knowledge on this topic.  I believe this will help many other who face this challenge.  Thank you for your patience and persistency in pushing me to stay on top of the brokerage to push the internal transfer.  Thank you for the IRS code AND reasons on why self certification is necessary and NOT a return of excess contribution.

 

Thanks