VAT exempt

I was made VAT exempt last month after creating a case Regarding VAT refund on fees that should have not been charged. I was told by Amazon that I will get the VAT refund once my Feburary 2023 invoices have been generated and I was told to contact them once they were generated.

They were generated yesterday and I messaged Amazon on the same case telling them they have been generated and to process the refund. They replied with a standard template email saying I need to wait for Feburary 2023 invoices to be generated which makes no sense as they already have been

What do I do now as looks like they are trying to delay for no reason

Answer: Wait 15 more days. Same happened with me and after 15 days, I opened the case