How can I add conditions to the list on SO?

Adding a condition will reflect in every module of the system, including the Sales Order. To create a new condition, you need to follow the steps below:

I.  Go to Administration under your name at the top-right corner.

II. Then go to Part conditions on the left side of your screen. Afterward, click Create Part Condition on the top-right side.

III. Finally, fill out the required information and click Create Part Condition.