The days of treating customs compliance as a back-office formality are over....

https://mag-wiki.win/index.php/How_Long_Should_I_Keep_Import_Documentation_for_Origin_and_Value%3F_The_Definitive_Guide_for_Compliance_Managers

The days of treating customs compliance as a back-office formality are over. Customs is aggressively targeting duty evasion, and a simple misclassification or case of transshipment can now trigger a massive investigation