Note: This depends on the accounting system.
1.With the invoice open, click Route Invoice, 
.
The Route Invoice screen similar to the following displays:
2.Click the Route to Reviewers field label to access the Reviewers lookup similar to the following:
3.Double click on the reviewer name or click to highlight the review name and click OK.
The Route invoice screen redisplays and resembles the following:
4.Click the check box adjacent to the line that the review identified in the Route to Review field should review.
You must click to select a line, even if only one line displays.
Note that once you click the check box, the Route button becomes active.
5.Click Route.