To be able to subcontract WBS lines, for each to-be-subcontracted WBS line, define the procurement category. This procurement category is used to create purchase order lines for subcontract lines. The procurement category is used to define the type of work a WBS line relates to. This makes it easier to find the right subcontractor for a WBS line.

Standard procedure

1.	Go to Project management and accounting > Projects > All projects.
2.	In the list, find and select the desired record.
3.	In the list, click the link in the selected row.
4.	Click Advanced WBS.
5.	Click the Subcontracting tab.
6.	In the list, find and select the desired record.
7.	Click Assign category.
8.	In the Category field, enter or select a value.
9.	Click OK.