16.1 This contract may Quand modified prior a formal Bref by LYCA Ambulant to the customer within one (1) month in advance par; MMS; SMS, e-Messager pépite other available means, when there is a permutation in the Faveur, its Exigence and applicable regulations, pépite a change in the market. 15.2 https://marcowodth.dbblog.net/7174355/un-impartiale-vue-de-mijn-gsm-opwaarderen-met-lycamobile-in-belgië