2012. may request an electronic communications provider to bar outgoing calls of prescribed types or prescribed types of numbers, free of charge; “sender” means the natural or legal person from which postal items originate; 4(o) of 160(I) of 2013. “services provided at single piece tariff” means postal services for which the tariff is set in the general terms and conditions of the universal service provider for individual postal items; 3(b) of 51(I) of 2012. “shared access to the local loop” means the provision to a beneficiary of access to the local loop or local sub-loop of the operator with significant market power, allowing the use of a specified part of the capacity of the network infrastructure, such as part of the frequency or an equivalent; “shared cost services” means dial-up services where the caller pays only part of the cost of the call to the selected number; 3(a) of 112(I) of 2016. “special rights” means the rights granted by the Commissioner to a limited number of undertakings, through the provisions of this Law or any other relevant law or any regulatory or administrative mechanisms provided under the provisions of this Law or Regulations, Orders or Decision issued under the provisions of this Law or any other relevant law, which, within a given geographical area: (a) limit to two (2) or more the number of such undertakings otherwise than according to objective, proportional and non-discriminatory criteria; or (b) designate, otherwise than according to the criteria referred to in the provisions of paragraph (a), several competing undertakings; or 46