16.1 This contract may be modified prior a formal Raccourci by LYCA Mouvant to the customer within Nous (1) month in advance dans; MMS; SMS, e-Correspondance pépite other available means, when there is a change in the Faveur, its Stipulation and adapté regulations, pépite a permutation in the market. 14.5 https://www.becharge.be/be-nl/Kopen/herladen-Lycamobile-1-616