Job duties are considered exempt learned professional job duties if the employee satisfies all three parts of the following test (in addition to the salary test described above):
Has the primary duty of performing work requiring advanced knowledge, defined as work which is predominantly intellectual in character (which includes work requiring the consistent exercise of discretion and judgment);
The advanced knowledge must be in a field of science or learning; and
The advanced knowledge must be customarily acquired by a prolonged course of specialized intellectual instruction.