OBS_VALUE: The prices for postal services are determined by the operators themselves on a non-discriminatory basis taking in account the actual costs of the service. However, the prices must be communicated to the regulatory authority 3 months before the new prices become applicable.According to the EU regulation The national regulatory authority shall objectively assess the cross-border tariffs  of the parcel delivery service provider that originates in its Member State and that are subject to a universal service obligation in order to identify those cross-border tariffs that it considers to be unreasonably high.