AG Barr must talk to agencies/depts before he declassifies the intel. He cannot delegate that to someone else. Why-he must have authority to declassify information. He is head attorney so they can all be asked questions by him, he’s their boss.

https://www.washingtonexaminer.com/news/ag-william-barr-given-power-to-declassify-documents-on-surveillance-activities-into-trump-campaign