No. 34 Communications (a) the scope and specifications of the facilities to be provided; 39 (b) the service and maintenance of facilities; (c) the charges for the facilities; (d) the technical specifications; (e) the financial conditions for payment; (f) the provision of co-location for facilities; (g) the duration, re-negotiation and review of the agreement; and (h) the dispute resolution procedures. (3) An infrastructure provider shall__ (a) co-locate and share communication facilities on a first-come-first-served basis; and (b) co-locate and share facilities with other providers in accordance with principles of impartiality and non-discrimination. 71.__(1) An infrastructure provider shall, upon request from a qualifying licensee for co-location or infrastructure sharing, provide the licensee with a co-location or infrastructure sharing offer, together with the relevant information to facilitate a feasibility study on the licensee's network. (2) The infrastructure provider shall, within thirty days from the date the request was made, provide the requesting party with the relevant information as contemplated in subsection (1). (3) An infrastructure provider who has received a request pursuant to subsection (1) may refuse the request on any of the following grounds__ (a) that the request is unreasonable; (b) that the space available is not sufficient to implement a co-location; (c) that the infrastructure provider may be prejudiced; (d) that the infrastructure sharing may cause harmful interferences; or (e) that the infrastructure sharing may cause irreparable damage to the property of the infrastructure provider or the interoperability of his infrastructure. (4) A refusal under subsection (3) shall be made in writing to the requesting party and shall state the reasons for the refusal. Request for co-location and infrastructure sharing