When changing an electronic communications merchant, on the basis of request by a subscriber, the subscriber shall be ensured the possibility of retaining the number allocated to him or her by the electronic communications merchant for use in the geographic numbering territory in the national numbering plan, or in any other location if the end user number is not associated with the geographic numbering.MS shall ensure that all end-users have the right to retain their numbers. Article 106(2) and 93(6) of the Directive 2018/1972 to be transposed by 21/12/2020. 