Modifications to a car, pick - up truck, van, motorcycle, or moped can affect its registration class. Important : The DMV cannot examine your vehicle to determine the correct registration class. You must determine the correct registration class for your vehicle. 

Modifications to a motorcycle or moped, including Limited Use Motorcycles- 
If you remove a speed governor that was originally installed to limit the top speed of a moped or add a speed governor that limits the top speed of a moped or motorcycle , you must notify DMV and register the moped or motorcycle in the appropriate class [1]. 

Modifications to cars, pick-up trucks, and vans 
Part 106 of DMV Regulations describes the vehicles that are registered in the' Commercial' class and in the passenger class. Part 106 also describes how some modifications that you make to your vehicle can affect the correct registration class of your vehicle. A description of the modifications appears below. Each description includes a reference to the DMV Regulations [2]. For all vehicle modifications , you must obtain a vehicle weight slip. You can get vehicle weight slips at most vehicle and/or metal scrapyards and from some auto - parts stores and mechanics, especially those specializing in vehicle modifications and camper body / equipment sales and installation. 

Modifications that change a registration from 'Passenger' class to 'Commercial' class 


Cars (Part 106.2 (e)) 
You can register a car in the' Commercial' class if all the seats behind the driver are removed. Instead of the seats , you must install a permanent box or permanent rack to carry cargo. 

Station Wagons and Vans (Part 106.2 (f)) 
You can register a station wagon in the' Commercial' class if all the seats and all the seat fittings behind the driver are removed completely. 

Modifications that change a registration from 'Commercial' class to 'Passenger' class 


Pick-up Trucks (Part 106.6 (b) and (c)) 
You can register a pick - up in the' Passenger' cla

user: Hello I need information about how to change a record from the 'Passenger' class to the 'Commercial' class

assistant: do you want to register a car?

user: Yes

assistant: You can register a car in the 'Commercial' class if all the seats behind the driver are removed. Instead of the seats, you must install a permanent box or permanent shelf to transport the load.

user: I would also like to know how to register collection trucks?

assistant: You can register a pickup in the 'Passenger' class if it meets certain conditions, depending on its empty weight

user: And it doesn't matter if my truck is modified?

assistant: If your modified or unmodified pickup truck has a curb weight of less than 6,001 lbs. , you can register it in the 'Passenger' class if it meets the following conditions:
    the truck doesn't have any commercials
    the van is used exclusively for non-commercial purposes

user: and is it very necessary that the modifications be permanent?

assistant: of course These modifications must be permanent. If you use a van or light truck without the required modifications, then you must register it in the 'Commercial' registration class.

user: and what modifications are very necessary?

assistant: For all vehicle modifications, you must obtain a vehicle weight receipt. You can get vehicle weight slips on most vehicle and / or metal scrap yards and at some auto parts and mechanic stores, especially those specialized in vehicle modifications and body / equipment sales and installation.