Once you have created Item Types and Sub-Types, you are able to link these to one or more Invoice Item records.
To link an Item Type to one or more Item records, from the main menu, arrive at the Items Type setup with this path: Setup > Items & Parts > Types.
The Items Types list will be displayed. Locate the Type you want to link, and then click on the link button (box with an arrow icon) .
The Add Items List will be displayed. Check the box to the left of each Item that you want to link to this Type.
When finished, click on the Add Items button at the bottom of the list.
