You can prevent sending invoices automatically for orders with a specific tag by following the simple steps below.
Step 1: Open Simple Invoice from your Shopify store’s “Apps” section.
Step 2: Click on “Settings” on the Simple Invoice dashboard.
Step 3: Scroll down to the Set Additional Sending Conditions section, click on the Order Tag (Exclude), type your order tag, and hit the “Enter” key to save your payment gateway.
Important Note: It is important to add the exact order tag name into this field. You can get more information about Order Tags by clicking here.
Step 4: Click on the Save button.