If you detect that you have been charged twice, we apologize and we recommend that you contact your bank since, in most cases, it is a case of a failed transaction authorization that has been rejected by the bank. These are recorded but are not processed, so the funds are released within a few days.
If you would like us to check if a payment has been duplicated, we will be happy to do so if you contact the toll-free Mercadona customer support number 800 500 220 and select option 4.
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