If the new odometer can be set to the same mileage as the old one, do so. If not, set it to zero, as required by federal law.
When an odometer is lawfully replaced, rigorous documentation protects all parties. The odometer disclosure statement must certify one of three conditions: that the odometer reading reflects the actual mileage; that the odometer reading is not the actual mileage (often designated as "NAM"—Not Actual Mileage); or that the odometer exceeds its mechanical limits. For vehicles where the odometer was replaced and reset to zero, a separate notice must be affixed to the door frame, specifying the exact mileage before replacement and the date of replacement. This physical notice serves as a permanent alert to future buyers. odometer record replace events date
Whether you need a specific for structuring the database schema. If the new odometer can be set to