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Every saturday for new registered participants.
Old participants dont need to refill the form. The sentence doesn't mean that old participants wont be accepted to join the next week.
What did you imply? or your implication failed by broken English? It's so ridiculous.
Thank you for mention about broken English. If you registered once, you don't need to re-fill form for next week, because you already registered in signature campaign and you get a one-time payment for this and thats all. Next week payments for next newcome users.