To participate in the WEC championship you must be registered at F1ITAONLINE.COM, to participate in the ASR 2 Championship you have to buy the car on ASR and sign up for F1ITAONLINE.COM. For new subscribers, the 2018 membership will start from 2018 (4 months 2017 and 12 months 2018 !!), cost of participation 11 euros, if you buy the ASR2 (formula 2) car instead of 8 euros.
for any doubt you can write to firstname.lastname@example.org