providing equivalent services, and providing services and information to others under the same conditions and of the same quality as they provide for their own services or those of their affiliates. 5. A service provider shall not be required to enter into any agreement for interconnection, cell site sharing or other form of access on terms that: a) Are not technically, legally or economically feasible; b) Are not permitted under the service provider’s obligations to third parties where such obligations cannot reasonably be renegotiated; c) Are reasonably likely to endanger, damage or injure any person or property; or d) Materially interfere with the operation, provision, security, quality of service or integrity of its telecommunications network or supply of its telecommunications services. 6. The Authority may issue regulatory measures to secure the implementation of, and compliance with, the provisions in this Chapter, and the issuance of such regulatory measures shall be subject to the provisions set forth in paragraph 4 of article 19. Article 39 Interconnection 1. Within 30 days from receiving a written request to interconnect from a requesting service provider, a service provider shall: a) Propose an interconnection agreement that meets all reasonable requests for interconnection at any economically and technically feasible point of its telecommunications network; and b) Enter into negotiations with the requesting service provider on the basis of such a proposed interconnection agreement. 2. An interconnection agreement proposed by a service provider under subparagraph a) of the preceding paragraph shall permit access to its facilities, network elements, operational support systems, software and services as are reasonably required by the requesting service provider to ensure effective end-to-end interconnection. Article 40 Cell site sharing 1. Cell site sharing shall be carried out pursuant to this article, unless otherwise agreed to by the parties.