Official employment It's important to see whether or not official it is, see if the employer ordered or assigned to perform and where employees perform duties to themselves in order to make assignments, it succeeded.
Official employment Important to see whether official or not, it is the view of the employer mandate or assignment to perform. In the event the employee duty to do so to ensure the success of the assignment.
In hiring. Important to see whether formal or informal, that is, look from the employer or assigned to the project practice. If employees on duty and go to the assignment is accomplished.