The following procedure should be used when filing documents :

Stamp FILE on the desired document and cross a line parallel to the horizontal lines of Stamp. Mark another line diagonal to from the line you just made. Write down ####.## on the left of the diagonal line and the appropriate abbreviation on the right. (For eg. TRAN for a transmittal as shown in the example below). These should be followed with a date at the bottom. File the document in the appropraite project folder/ sub-folder!