Electronic and Postal Communications (Access, Co-location and Infrastructure sharing) G.N. No. 429 (contd) terms and conditions in accordance with which colocationis to be provided; (h) technical specifications, standards and interoperability tests; (i) information handling and confidentiality; (j) duration, re-negotiation and review procedures; (k) dispute resolution procedures. (2) The co-location agreement shall contain all the terms and conditions of the agreement between the parties related to co-location matters and no amendments, alterations, additions, variations or consensual cancellations shall be of any force or effect unless they are reduced to writing and signed by both parties. (3) The infrastructure sharing services detailed in the colocation and infrastructure sharing agreement shall be sufficiently unbundled to ensure that infrastructure provider does not provide network elements or infrastructure sharing services that are neither required nor requested by the infrastructure acquirer. (4) The information contained in an agreement document shall not be designated as confidential to the parties. (5) The Authority may, in its discretion, direct a licensee to amend the agreement to reflect the terms of its license, relevant rules, regulations decisions, directives or standards and other guidelines which the Authority may prescribe. Limitation of colocation or infrastructure sharing 15. The licensee shall not be required to provide colocation or infrastructure sharing where in the Authority view it is not reasonable to require the licensee to provide co-location or infrastructure sharing including, but not limited to circumstances where it(a) is beyond the licensee’s control; or (b) is not reasonably practicable. 180