The rule for heading 41.07 – 41.13, as published in the Spanish text
«CP; no obstante, podrán utilizarse materiales no originarios de las subpartidas 4104.41, 4104.49, 4105.30, 4106.22, 4106.32 y 4106.92, siempre que se lleve a cabo una operación de recurtido de los cueros y pieles curtidos o secados, en estado seco.»
What is entered stays in the browser and is not sent anywhere. The outcome is guidance and does not replace the customs broker's review. Codes are compared with the first digits of the product, 4107.91.10.