Circular No. 62/62/94-CX As regards assessment based on invoice a Circular has already been issued from F.No.212/3/94-CX-6 (No.45/45/94-CX-6 dated 4.7.94) requestiong to furnish evaluation reports on assessment of RT-12 Returns for the month of April-May 1994 alongwith suggestions. Except from few Collectors, no such report has been received.