We introduced the concept of Completed Staff Work in a prior post. Wikipedia Completed Staff Work defines as:
…a principle of management which states that subordinates are responsible for submitting written recommendations to superiors in such a manner that the superior need do nothing further in the process than review the submitted document and indicate approval or disapproval.
Not only do they need to know what you want, but they must also know what you do not want; what will cause the recommendation to be rejected.