How to put an order on-hold
You can put an order on-hold for this, to let your customer know that it’s in progress and to meet your service level.You need to sort out price differences, check delivery-date with your supplier , perform a credit check or any other thing that takes some time.
- Go to the your order detail screen with the actual purchase order details;
- Enter your Sales Order Number;
- Enter the reason;
- Press
Save changes.
Result
Order status shows 
= Line is on-hold
