WHT-Section Code

Hi all,

I would like to create remittance challan, to do create i need to create Section code before remittance challan.

Presently i am working in ECC 6.0, please throw some lights on this issue.

if it possible please steps after creation of remittance challan what needs to be done and where to do setting for the same.

Like: bank challn, Certificates

Thanks in advance