(a) The department determines from review of the examination form and any additional medical information submitted, that the applicant meets the standards set forth under Federal Motor Carrier Safety Regulations 49 CFR 391.41, or

(b) The applicant for a Class A or B license, or a Commercial Class C license, does not meet the standards set forth under Federal Motor Carrier Safety Regulations because of a physical condition wherein safe driving ability can be determined by driving examination and in the opinion of the department the defect is compensated for to insure safe driving ability. If such a state approved medical certificate is issued by the department, the applicant shall not be permitted to operate vehicles requiring a passenger vehicle endorsement or a hazardous materials endorsement pursuant to Section 15278 of the Vehicle Code. The department may authorize the applicant to continue to operate any of said vehicles if the applicant is renewing a California Class A, B, or a Commercial Class C license permitting the operation of such vehicles, or is applying for a medical certificate to keep valid such a license that has not yet expired, or

(c) The applicant for a Class A or B license, or a Commercial Class C license, fails to meet the standards set forth under Federal Motor Carrier Regulations because of a condition or conditions other than those wherein safe driving ability can be determined by a driving examination, provided that the department determines upon evaluation of competent medical evidence that the condition or conditions do not affect the driver's ability to drive safely and may reasonably be expected not to affect the driver's ability to drive safely within two (2) years. If such a state approved medical certificate is issued by the department, the applicant shall not be permitted to operate vehicles requiring a passenger vehicle endorsement or a hazardous materials endorsement pursuant to Section 15278 of the Vehicle Code. The department may authorize the applicant to continue to operate any of said vehicles if the applicant is renewing a California Class A, B, or a Commercial Class C license permitting the operation of such vehicles, or is applying for a medical certificate to keep valid such a license that has not yet expired, or

(d) The applicant for an Ambulance Driver Certificate fails to meet the standards set forth under Federal Motor Carrier Regulations provided that the department determines upon evaluation of competent medical evidence that the condition or conditions do not affect his ability to drive safely and may reasonably be expected not to affect his ability to drive safely within two (2) years.