OMG — please wait the two weeks, and if you still haven’t received word of transfer, write back to the email you receive announcing that “your question has been answered.” Give me your full name on the account, and describe the problem. And any records of conversations you had. Also your telephone number. I will try to pass this on to the IRS — but they’re a lot tougher to deal with than Treasury!
Oh, and create an ID.me account at the IRS before they phase them out: https://www.terrysavage.com/create-an-irs-account-for-info/
Use the link within this column to find the place to create your account. At least you’ll have an update on what’s happening and it should show a record of all those contacts on this issue.