Best answer by Gabolino
this info may be useful for you
I was referred by a friend but I’ve not received my Amazon voucher
"Remember that your Amazon voucher code is emailed to you up to two days after your switch date - that’s two days after the day you come on supply with Pure Planet.
If you don’t receive the email, open WattBot in your account, and type 'Where is my Amazon voucher'. Watt will take some info from you - your friend's name and address, and your friend's unique referral code. This info will then be handed to our team to check out".
You can read the full post here