The Register shall be maintained in 3 parts—
(a) Part I containing a list of all interconnection agreements with the names of interconnection providers, service areas of their operation, and the dates of the execution of the agreements and is to be open for inspection by the public;
(b) Part II containing portions of interconnection agreements which the Commission has directed to be kept confidential; and
(c) Part III containing the contents of interconnection agreements excluding those directed by the Commission to be kept confidential which shall be open for inspection by the public.