Sec. 8. The department, a member of the department, or an authorized representative of the department, may:
(1) compel the attendance of witnesses;
(2) swear witnesses;
(3) take testimony under oath; and
(4) make a record of testimony.
After a record is made under the direction of the department, an administrative law judge, or an authorized representative of the department, the department may make an appropriate order upon the record.