Form 26QB dates confusion

Hi, 

I have purchased a property and whole amount is to be paid by bank loan at the time of registry on 20th-Jun-23(future date). Bank is asking for tds challan so i need to submit 26qb. Amount is lumpsum but not able to figure out "Date of Payment" to be filled. Future date is not allowed to be submitted on portal. Please suggest what should be following dates

- Date of Payment/credit

- Date of Tax Reduction

Thanks