How to segregate Interns vs employees

Interns are viewed as employees unless below  all six conditions apply

–The internship, generally include actual operations in the office of the employer, but is similar to educational training that would have got in the school environment.
–The intern is not necessarily entitled to a job at the conclusion of the internship
–The work they do is for benefit of theirs not employers.
– The regular employees are not displaced by the Intern. They can work in close supervision of employees.
–The employer providing the training does not get direct benefit and the operations can be stopped.; and
–The employer and the intern understand that the intern is not entitled to wages for the time spent in the internship.