Custom Fields show in zBooks screen BUT NOT zInventory for same page

We use sales orders.

When our warehouse staff use zInventory custom fields are not shown

BUT

The exact same Edit Sales order page in zBooks DOES show the custom fields

should these not display the same?

Zoho Books Screenshot

- unable to insert pic... forum bug? See attached instead

Zoho Inventory Screenshot of same page

- unable to insert pic... forum bug? See attached instead

Zoho Desk Resources

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