16.1 This contract may Si modified prior a formal Abrégé by LYCA Changeant to the customer within Nous (1) month in advance via; MMS; SMS, e-Correspondance or other available means, when there is a troc in the Appui, its Exigence and juste regulations, pépite a troc in the market. Bij https://paxtoneukzn.sunderwiki.com/1341932/faits_sur_verkoop_van_lycamobile_belgische_kaarten_revealed