08 January 2012
Nothing specific format. Just while preparing return you need to enter the transactions with GTA like amount of payment made credited and flag as Transporter, therefore TDS will be nil. So no extra format just details to be furnished in same form 26Q.
09 January 2012
Yes you need to file the revised return furnishing the details of payment made to transporter. All these has been clarified in the post whose link is given herein above.