What procedures are required for replacing a car engine?

[GraceAnn]

The procedures required for replacing a car engine are: 1. Motor vehicle modification registration record application form; 2. Original identity proof of the motor vehicle owner (for mainland residents residing temporarily, their identity proof is a resident ID card or temporary resident ID card, along with residence or temporary residence certificates issued by public security authorities); 3. If handled by an agent, the original and photocopy of the agent's identity proof must also be submitted (if the agent is a unit, the original and photocopy of the handler's identity proof must also be submitted) along with a written authorization from the motor vehicle owner; 4. Motor vehicle registration certificate; 5. Motor vehicle driving license; 6. Motor vehicle inspection record form.