(b) private leased circuits are available on a flat-rate pricing basis.
Nothing in this paragraph shall be construed to prevent cross-subsidization between public telecommunications transport services.
4. Each Party shall ensure that persons of another Party may use public telecommunications transport networks or services for the movement of information in its territory or across its borders, including for intracorporate communications, and for access to information contained in data bases or otherwise stored in machine-readable form in the territory of any Party.
5. Further to Article 2101 (General Exceptions), nothing in this Chapter shall be construed to prevent a Party from adopting or enforcing any measure necessary to:
(a) ensure the security and confidentiality of messages; or
(b) protect the privacy of subscribers to public telecommunications transport networks or services.
6. Each Party shall ensure that no condition is imposed on access to and use of public telecommunications transport networks or services, other than that necessary to:
(a) safeguard the public service responsibilities of providers of public telecommunications transport networks or services, in particular their ability to make their networks or services available to the public generally; or
(b) protect the technical integrity of public telecommunications transport networks or services.
7. Provided that conditions for access to and use of public telecommunications transport networks or services satisfy the criteria set out in paragraph 6, such conditions may include: