You can post a negative progress bill journal to report any negative progress on an activity or a complete project after the invoice is posted.

Standard procedure

1.	Go to Project management and accounting > Journals > Progress bill > Project.
2.	Click New.
3.	In the Progress bill journal name field, enter or select a value.
4.	In the Project ID field, enter or select a value.
5.	In the Invoice date field, enter a date.
6.	Click OK.
7.	In the From date field, enter a date.
8.	In the To date field, enter a date.
9.	In the list, find and select the desired record.
10.	In the Current progress quantity field, enter a number.
11.	You can enter a negative progress quantity, progress amount, or progress percentage. In these steps, you enter a negative progress percentage.
	In the Progress % field, enter a number.
12.	Close the page.
13.	Click Post.
14.	Click OK.
15.	Close the page.
16.	Go to Default dashboard.