try the free month with premium linkedin version ... before the first month expired, I tried to deregister, but finally it didn't happen.
I thought that I had deregistered, but it was not true, as for the first *-* months my bank account had not any money. But when some money ney entered in my axcount for few months, I waa charged, for a service that I didn't used all this period... I haven't used any paiwd feature of the premium account.
a refund for this period of four months