noun, noun or participle which takes 'suru'
carte blanche; blank check; unconditional authority
Used when giving someone complete freedom to decide or act, often in business or political contexts. The image is of signing a blank sheet of paper, entrusting everything to the other party.
社長は新プロジェクトの責任者に白紙委任を与えた。
The president gave the new project leader carte blanche.
交渉は彼に白紙委任されている。
He has been given unconditional authority over the negotiations.