There’s not too much more guidance I can provide on this beyond what you will have likely already seen under the link I shared. Currently, you would need to reach out to the sales team via the following form to submit your request for ZDR:
https://openai.com/contact-sales/
We’ve discussed this in a couple of threads in the past, including the one below, but in general have limited data points from other Forum users as to when ZDR has been granted, how long it takes etc. That shouldn’t prevent you from giving it a try though 