Carrefour chain stores that cheat customer with misleading price tags will be penalized according to the National Development and Reform Commission (NDRC), cnr.cn reported on Wednesday.

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China National Radio (CNR) first discovered the pricing inconsistency at some Carrefour chain stores. The NDRC carried out an investigation confirming the deceit. The commission found Carrefour chain stores in Shanghai, Changchun, Harbin, Wuhan and Changsha cheated consumer on price, including faking the original price during sales events, cutting price shown on the price tags, and misleading customers with price figures typed in different sizes.

The commission decided to impose fines of 500,000 yuan ($75,960) for the illegal gains that cannot be calculated. It also asked chain stores around the nation to check for pricing errors, and return any undue gains to customers.