For HBL: EURFF15904045LCH, we issue the credit note INV#SH-150912185 USD 35 to you firstly. Then, my colleague Anthony confirmed that we will waive the H/C USD 30 for this shipments, so we issue another credit note INV#SH-150913303 USD 30 to your side. Everything is ok now. Why you issue the debit note USD 65 to us? It is double, you should cancel your debit note