If I submit for combined review and get comments on my energy model then my EAc6 REC purchase can't be approved, right?

It's fairly common to get comments on the energy model so I feel that I'm in a bit of a quandary with my EAc6 purchase volume since I want to submit my project for combined review.

Should I just hold out on my EAc6 purchase until the review comments come in on EAp2 and in the meantime upload a provisional REC contract for review of the language?

Issuing a second purchase order (if energy model consumption gets bumped up) for some miniscule amount of RECs doesn't seem like a good option.