QUOTE(crifever @ Nov 13 2006, 09:03 PM)

Is a cover letter required while sending the (DS-230 + passport photocopy+barcode sheet) back to the NVC?
A cover letter is not required. I did not send a cover letter for DS 230 packet, but I did send a cover letter with I-864 packets where I mentioned what documents were being sent with I-864.