1. National regulatory authorities and, where applicable, other competent authorities shall monitor and supervise compliance with this Regulation within their territory.
National regulatory authorities shall strictly monitor and supervise roaming providers availing themselves of Articles 5 and 6.
Where applicable, other competent authorities shall monitor and supervise compliance by the operators with the obligations laid down in this Regulation which are relevant for the exercise of the powers conferred on them by national law transposing Directive (EU) 2018/1972.