For each referral made, players on the site may expect to recoup 20 per cent of deposits made by the new signup.
This lasts for a total of 180 days, or about six months, after registration.
Registered users of the UK online bingo site are advised that they may order special cards from Bingonanza to help them spread the word.
"When you order your Bingonanza reward cards, give them to your friends, acquaintances, even people you meet every day," the site urges.
"The more people you tell, the more you benefit."
The cards include a space on the reverse side on which the player must write their own unique referral ID.
When the new registrant enters this code in the signup form, the bonus payments automatically begin.
Bingonanza advises that there is no cost for ordering referral cards and that more are available on request.
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