Discount website Groupon must ensure its deals are "accurate, honest and transparent", after the trading watchdog uncovered "widespread" breaches of consumer protection rules.
MyCityDeal, which trades as Groupon, has been given a three-month deadline to implement signed undertakings to change some of its practices.
The Office of Fair Trading (OFT) has been investigating Groupon since July 2011 due to consumer complaints and a referral by the Advertising Standards Authority (ASA), which highlighted "serious concerns" about the company's ability to stick to advertising codes.
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