While completing the examination, the examiner notices that the driver has noticeable pain in his lower back during lumbar flexion. The driver indicates that he has had a recent lower back injury and is under active treatment for a low back strain. He has been released to return to light duty work. The driver reports that he never has to load or unload his truck. All other aspects of the examination are unremarkable. The examiner should:
a) Disqualify the driver
b) Notify the employer of the driver's limitation and certify for 3 months.
c) Certify the driver for 1 year.
d) Certify the driver for 2 years.