A refusal letter is an official document issued by a certification authority which states that no mandatory certification is required for the product or that the product belongs to a group of products for which compliance can be confirmed with a compliance declaration. A refusal letter must be written on the letterhead of the authority that issues it and must bear the coat of arms seal of said authority. A refusal letter may be required when it is not clear which TN VED or OKP code should be used for the identification of a specific product, which naturally raises the question of whether or not the product needs to be certified. This question may be asked by different supervisory authorities such as the customs or other supervisory agencies and sometimes your clients may also request that you provide a compliance or quality certificate for the products you offer them. However, a refusal letter cannot serve as proof of the product’s quality; therefore in the majority of cases it’s best