The following summarises the principles and criteria that Regions and Municipalities are required to apply:

1. based on the analyses of demand for taxi services, including the needs of persons with reduced mobility, assess whether provision of taxi services is adequate under the existing numerical cap, including through flexible organisational arrangements (extended shifts, supplementary shifts with substitute drivers, taxi sharing), while also taking into account traffic-related factors (including the number and location of taxi ranks and dedicated lanes);
2. where demand for taxi services cannot be met under the existing numerical cap referred to in point (a), assess whether an increase in the number of licenses is required, while also pursuing environmental sustainability objectives;
3. assess the advisability of establishing a district catchment area for taxi services in order to achieve economies of scale and extend the service to a larger number of municipalities, including, where appropriate, through the inter-municipal agreements provided for in Article 5-bis(1-bis) of Law No. 21/1992;
4. allow license holders greater freedom and flexibility in organising the service and setting fares, taking into account that the fares established by the competent authorities are to be regarded as maximum fares;
5. establish (i) special fares for taxi-sharing services that enable users to make savings while ensuring higher remuneration for taxi drivers, and (ii) predetermined fixed, which are more advantageous than metered fares, and/or guaranteed maximum fares for the routes most frequently requested by users;
6. improve the quality of taxi services, including through systematic monitoring and the introduction of appropriate indicators, the results of which are to be made publicly available in the Quality Charter.