13.6 All licensed operators should in installing and or deploying new infrastructure amenable to sharing make provision for future request for sharing. In order to give effect to this requirement, any operator that installs new infrastructure amenable to sharing should share amongst others its development plans with such operators as can reasonably be expected to require access to such infrastructure in future. 13.7 The licensed operator that installs or plan to install infrastructure amenable to sharing as contemplated in (6), may require potential access seekers to express their requirements in writing and both the potential access provider and access seeker may, subject to mutual agreement, share the development costs of new the infrastructure amenable to sharing. 14. Efficient Utilisation of space 14.1 The Authority expects that parties involved in all infrastructure sharing arrangements will make efficient use of scarce space. 15. Standardisation 15.1 To facilitate improved co-ordination and compatibility of equipment, parties to an infrastructure sharing arrangement should endeavour to develop and employ standard procedures for provision and operations under the arrangement. 15.2 The standard procedures to be developed by parties under the arrangement will be in the areas of: (a) (b) (c) (d) (e) (f) (g) 20 | P a g e Maintenance Fault clearance Access at the facility Emergency Cleaning Safety Security