Safety

If you operate a motor vehicle as part of your duties, then you must have a valid, current state driver’s license in your possession while driving the vehicle. This requirement applies to all drivers of vehicles owned or leased by the Postal Service, owned by contractors, or owned by the driver.
If you operate a motor vehicle that requires a commercial driver’s license, then you must have in your possession a commercial driver’s license and a valid state driver’s license while driving on the job.
You must comply with any restrictions on your state driver’s license.
You must produce a current, valid state driver’s license upon the request of your supervisor or manager.
You are required to notify your supervisor or manager if your state driver’s license or commercial driver’s license is suspended or revoked.

If you operate a motor vehicle in the performance of duty, you must comply with the rules for drivers listed above.
Once a quarter, you must verify that every Postal Service driver under your supervision has a current, valid state driver’s license.
You must suspend or revoke the Postal Service driving privileges of any employee who:

When you suspend or revoke an employee’s driving privileges, comply with the following:

Do not allow the employee to drive in the performance of duty until he or she produces a current and valid state driver’s license (and commercial driver’s license if required).
For bargaining unit employees, see Article 29 of the appropriate collective bargaining agreement to determine whether rights or obligations exist concerning reassignment to non-driving duties.

— Safety and Environmental Performance Management,
Employee Resource Management, 1-31-08