How to allow negative quantity while adding products on web

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Step 1: Go to “Sales” and select “Invoices”.

Now, click on the “Document Settings” Option at the top right corner of the screen. 

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Step 2: Allow the negative quantity.

Go to the “Allow Negative Quantity” column under the “Additional Customizations” section and switch on the toggle bar.

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Step 3: Click on “Update Settings”.

Click on the “Update settings” option present at the top right corner of the screen.

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Congratulations! You have successfully updated document settings, and a pop up appears at the top of the screen informing the same.  

From now on you can add negative quantity products to Invoices.

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