The following are exempt from the taxes authorized by this chapter:
In transit homes subject to the motor vehicle ad valorem tax law.
Any manufactured home or mobile home located on land which is owned by the same person owning and occupying said manufactured home or mobile home which was assessed on the land rolls at the effective date of this chapter.
Manufactured homes or mobile homes owned by and/or in the possession of a dealer as merchandise.
Any nonresident member of the armed forces of the United States of America owning and living in a manufactured home or mobile home within the state in compliance with military orders.