55 Modification of Vehicles, Vehicle Assignments, and Automated Mail Processing Machines as a Reasonable Accommodation Headquarters must approve first all of the following: All requests to modify vehicles including, but not limited to, the following: Vehicle equipment. Components. Structure. Configuration. Operating characteristics. All requests to provide a vehicle that the Postal Service owns or leases as an accommodation when the Postal Service does not provide one currently or the employee does not require one currently. You must refer a request for an action of this nature to the local manager, Vehicle Maintenance, who will forward it to Delivery Vehicle Operations at Headquarters for a decision. Headquarters must approve first all requests to modify automated mail processing equipment. You must send this type of request to the local manager, In-Plant Support, who will forward it to the manager, Engineering Change Board at Headquarters.