Electronic and Postal Communications (Access, Co-location and Infrastructure sharing) G.N. No. 429 (contd) building, tower or other structure; “dominant licensee” means a licensee who has been determined by the Authority to have more than thirty five percent of the electronic communication or postal services market; “essential infrastructure” means an electronic communication facility of a communication network licensee which cannot feasibly, whether economically or technically be substituted and is declared to be an essential facility by the Authority; “facilities” means network facilities or other facilities which facilitate the provision of network services or applications services, including content services; “firm” means a licensed or non licensed person who hosts contents for electronic accessibility or carries internet traffic; “infrastructure” means an electronic communications network facility whether tangible or intangible used for the provision of network services or application services; and for the avoidance of doubt(a) tangibles include lines, cables, or wires whether fibre optic or other, equipment, apparatus, towers, masts, tunnels, ducts, risers, hotels, pits, poles, landing stations, huts, lands, buildings or facilities and (b) intangibles include agreements, arrangements, licences, franchises, rights of way, easements and other such interests. “infrastructure acquirer” means a network service licensee who has leased or shared facilities or has requested to lease or share facilities from a facilities provider; “infrastructure provider” means a network facilities licensee who has been requested by a facilities acquirer to lease or share facilities; “infrastructure sharing” means the provision to licensees the Co-location to tangibles used in connection with a 171