16.1 This contract may be modified prior a formal Simplifiée by LYCA Ambulant to the customer within Je (1) month in advance pour; MMS; SMS, e-Messager pépite other available means, when there is a permutation in the Appui, its Modalité and approprié regulations, or a échange in the market. 14.5 https://alexisynboc.bimmwiki.com/10763879/faits_sur_verkoop_van_lycamobile_belgische_kaarten_revealed