Empower Factory Productivity and Scheduling can record and report the date you invoice Jobs.   

To do this, from the Main Menu go to Job > Edit. 

You should see a page similar to

   




Click on one of either Undispatched Jobs, Dispatched Jobs or All Jobs (note that Undispatched Jobs will usually be fastest).

From the drop down box select the Job Number you wish to track. 

You should see a page similar to

        

Note the highlighted fields.  These can be edited if the data alters.