Article 21 1

(a)

the impact of the roll-out and implementation of next generation mobile communications networks and technologies on the roaming market;

(b)

the effectiveness of the quality of service obligations with regard to roaming customers, the availability and quality of services, including those which are an alternative to regulated retail voice, SMS and data roaming services, in particular in light of technological developments and of the access to the different network technologies and generations;

(c)

the degree of competition in both the retail and wholesale roaming markets, in particular the actual wholesale rates paid by the operators and the competitive situation of small, independent or newly started operators, and MVNOs, including the competition effects of commercial wholesale roaming agreements, of traffic traded on trading platforms and similar instruments and the degree of interconnection between operators;

(d)

the evolution of the machine-to-machine roaming, including roaming on IoT devices;

(e)

the extent to which the implementation of the measures provided for in Article 3, in particular on the basis of the information provided by the national regulatory authorities, of the procedure for prior authorisation laid down in Article 3(6), has produced results in the development of competition in the internal market for regulated roaming services;

(f)

the evolution of the retail tariff plans available;

(g)

changes in data consumption patterns for both domestic and roaming services, including changes in travel patterns of European end-users caused by circumstances such as pandemics, for example COVID-19, or natural disasters;

(h)

the ability of home network operators to sustain their domestic charging model and the extent to which exceptional retail roaming surcharges have been authorised pursuant to Article 6;

(i)

the ability of visited network operators to recover the efficiently incurred costs of providing regulated wholesale roaming services, taking into account the latest information on network deployment, as well as developments in technical capabilities, pricing models and constraints of the networks, for instance the possibility of including cost model calculations based on capacity rather than consumption;

(j)

the impact of the application of fair use policies by operators, including on consumption by end-users, in accordance with the implementing acts adopted pursuant to Article 7, including the identification of any inconsistencies in the application and implementation of such fair use policies; as well as the effectiveness and proportionality of the general application of such policies;

(k)

the extent to which roaming customers and operators face problems in relation to value-added services and the implementation of the database of numbering ranges for value-added services established pursuant to Article 16, first paragraph, point (a);

(l)

the application of the measures of this Regulation and complaints related to the use of emergency communications while roaming;

(m)

complaints related to inadvertent roaming.