$4$

Which of the following is a source of administrative law?

I. The U$.$S$.$ Constitution.

II$.$ Enabling statutes.

III. The Administrative Procedure Act $($APA$)$

IV$.$ The common law.

Multiple Choice

III only.

II and III.

I, II and III.

I, II$,$ III and IV$.$

II$,$ III and IV$.$