The Communications Regulation Commission at its meeting held on 13.05.2010 decided to impose sanctions on all 20 undertakings providing public telephone services. The time limit fixed in the secondary legislation in which the operators had to submit to the CRC the signed by all undertakings Procedures for portability of geographic, non-geographic and mobile numbers was 10.05.2010. Since this deadline was not kept, the Commission decided to impose on all undertakings the maximum sanction for such infringements which according to the Law on Electronic Communications amounted to BGN 5000 for each Procedure. The fixed and mobile undertakings have an obligation to provide number portability. As well known the users of mobile and fixed voice services can keep their numbers if switching to another operator. The practice has shown that the currently existing administrative procedure "two-stop-shop" causes difficulties to the end-users and creates conditions for the application of unfair commercial practices by the undertakings.In order to overcome the difficulties and facilitate to a maximum extent the end-users in early April, the Commission changed the secondary legislation and by these amendments “one-stop-shop” procedure was introduced (the application form for portability will be filed with the operator selected by the user) and the time limits for number portability are reduced.The undertakings have to start working under the new rules from August 6, 2010. A crucial step in the implementation of the changes is the signing by all undertakings of the Procedures for number portability. These documents contain technical, price and administrative principles and rules under which the undertakings have to work in order a certain number or numbers to be ported. The availability of Procedures is an obligatory condition for the process of number portability.