Without specifying a signature required on the Registered Mail one seems to open the door for redelivery to the agent.

Name:  US Governor IMF Redelivery 1.jpg
Views: 422
Size:  308.5 KB

Name:  US Governor IMF Redelivery.jpg
Views: 398
Size:  427.8 KB

It takes more intelligence to determine what the Principal YELLEN is thinking here, but remember she comes directly into the IMF as US Governor from the Board of Governors of the Fed. So she knows her way around redemption. Now looking at the dates you might guess we will need a few weeks time to determine what will happen at the IRS campus(es).