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Rule n° 55 - The displayed prices show the applied taxes and any additional charges, as well as tax-exclusive prices.

The golden rule of e-commerce could be "No surprises!". And among the unpleasant surprises are unreported extra charges. Ask the low-cost airlines, they love to do that. Passengers, on the other hand, like it less...

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  • Allow users to identify the precise total amount they will have to pay, before placing an order.
  • Enable users to accurately identify different itemizations and any deductible amounts.


Show on the order summary form, as well as on the invoice sent to the customer, the detail of all taxes included in the cost of the products and services offered.


In the order summary form and in the invoice sent to the customer, check that details of all taxes is included in the cost of the products and services offered.

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