A functional manager is defined as a "manager who has responsibility for one area of activity such as finance, marketing, production, personnel, accounting, or sales." For function managers, managerial capacity means an assignment within an organization in which the beneficiary primarily: 

1) Manages the organization, or a department, subdivision, function, or component of the organization; 

2) Manages an essential function within the organization, or a department or subdivision of the organization; 

3) Functions at a senior level within the organizational hierarchy or with respect to the function managed; and