Your importing people are probably as knowledgeable about Türkiye customs regulations as your finance people are about tax regulations.
Annually, you bring in an outside accounting firm to perform an audit. This is not because your staff is incompetent, but because in finance, as in customs, it is prudent to have an outside expert analyze your systems and your work.
You need an expert who can verify that you are complying with all customs regulations. An expert that has extensive experience working with both companies like yours and customs. An expert like us.