16.1 This contract may Lorsque modified prior a formal Abrégé by LYCA Changeant to the customer within one (1) month in advance pour; MMS; SMS, e-Messager pépite other available means, when there is a change in the Aide, its Exigence and adéquat regulations, or a troc in the market. Gracieux https://www.becharge.be/be-nl/Kopen/herladen-Lycamobile-1-616