(1) Where the Authority determines that a public operator has significant market power in a relevant market or market segment, it may impose such conditions as it considers appropriate on the public operator. (2) Every public operator with significant market power shall comply with every condition imposed by the Authority under subsection (1). Added by [Act No. 38 of 2011] 31. (1) Tariffs Every p u b l i c o p e r a t o r s h a l l s u b m i t t o t h e Authority, in such form and manner as the Authority may determine, a tariff for every information and communication service which it wishes to supply and every intended alteration to a tariff, at least 15 days before the implementation of the tariff or the alteration, as the case may be. (2) Every t a r i f f o r a l t e r a t i o n s u b m i t t e d t o t h e Authority under subsection (1) shall – (a) be calculated in accordance with such guidelines as the Authority may issue; (b) include information relating to – (i) the term during which the tariff or alteration is to apply; (ii) the description of the information and communication service; (iii) the amount of all charges payable for each information and communication service, including the amount of any surcharge that may be imposed as a result of nonpayment of fees or charges and the cost-related computation thereof; (iv) the b r e a k d o w n o f cost and cost elements involved in