Since he's going to go into automatic retirement, due to age, the process will start, following the guidelines of the Rooney Rule. Even if they've already pretty much determined who will get the job (Ed Policy I'd guess), they need to follow that formality.
It's the same rule that applies when you're looking for coaches, or pretty much anyone to fill a position within an NFL team's organization. At least for any level of management, and staff.
A lot of people believe it's just a formality. But, to their credit, they're not going to just hand the job to someone they're considering at this point. They want to make sure that the person who is handed the reins is capable of moving the team forward, financially, over the next decade or two. I think that makes sense. It needs to be someone whose expertise goes outside football, into the business world, because that's essentially their responsibility. It should be someone who has the expertise to also guide a football program, by insuring the best personnel are managing that aspect of the franchise. But, hopefully, what the person won't do, is micromanage the whole football operation. That can lead to disaster.