Refund not received!

Reference number BUFZA***YQ - REFUND

I placed an order with Teum the third-party courier lost my parcel I had to inform Buffalo. I paid customs for thr first parcel that was lost when I reordered I was told to pay custom again they first payment will be refunded. I have spoken to numerous agents at Buffalo regarding my refund , I have emailed all necessary documents and finances department confirmed that they received the documents and refund was scheduled for the 12.06.2024 to-date I have not received the refund.

I have called following up when I'll receive the refund no ones knows. I have asked to speak to team leaders nothing happens , I have emailed Buffalo complaining no acknowledge.

Please assist according, how do I take this complaint further?

Kind Regards,