Electronic and Postal Communications (Access, Co-location and Infrastructure sharing) G.N. No. 429 (contd) (c) the Authority’s duty to safeguard and encourage the long-term development of competition and the long-term interests of end users. Facilities charging structure 13.-(1) Charges for the provision of network tangible or intangible facilities shall be structured to distinguish and separately price the following aspects(a) the establishment and implementation of the facilities including testing; (b) rental charges for use of tangible facilities, equipment and resources; (c) variable charges for ancilliary and supplementary services. (2) The infrastructure acquirer shall be obliged to pay to the infrastructure provider a payment to compensate for the proportion of costs efficiently incurred by the infrastructure provider in carrying out the upgrade and alteration works to the facilities requested for sharing. Content of co-location and infrastructure sharing agreements 14.-(1) The co-locations and infrastructure sharing agreements shall address each of the following matters unless it is not relevant to the access that has been requested including without limitation the following(a) the scope and specification of facilities to be provided; (b) co-location to all ancillary or supplementary services or co-location to and use of premises or land that are required to support the provision of network facilities; (c) service levels and the maintenance of facilities; (d) charges for the facilities; (e) billing and settlement procedures; (f) ordering, forecasting, provisioning and testing procedures; (g) the provision of co-location for facilities and the 179