Retirement tax questions

Thank you all for assisting! 

@DanaB27

@dmertz 

@macuser_22 

@Opus 17

 

All you mentioned from items 1-4 is correct. Now that I have requested recharacterization of my Roth contribution as a traditional IRA, can I convert this as a Roth contribution for 2021 using Backdoor Roth? I am assuming if I can, I incur no additional taxes. If I cannot, it is still nondeductible traditional IRA and will I incur additional taxes?