What is an inspection (substitute inspection) by a measurer in place of periodic inspection?

In place of the periodic inspection conducted by Yokohama City, the inspection conducted by a nationally qualified measurer is called a substitute inspection.
The periodic inspection conducted by Yokohama City staff or designated periodic inspection organization patrols and carries out (excluding Saturdays, Sundays and public holidays), and the date and time cannot be specified in principle. If you wish to specify the date and time, please consider a substitute inspection.

※For inquiries about application for substitute inspection and inspection costs, please contact each measurer directly.
Measurer list (PDF: 145KB) performing mass meter inspection in Yokohama city
※If you have received a substitute inspection, please submit to The Mayor of Yokohama a “registration form that has been inspected by a measurer instead of a periodic inspection” with a certificate issued by a measurer.
As a result, you will not be able to use this service.

Mechanics who will start substitute inspections in Yokohama should submit "registration form, an inspection work performed by a measurer instead of periodic inspections" to The Mayor of Yokohama along with attached documents (*).

※attached documents
1 A copy of the measurer registration card
2 Copy of the certificate of the reference device used for inspection
3. When renting a reference device, etc., a copy of the lease agreement, etc.
Passing seal for 4th generation inspection (1 sheet: attached to ledger)
5 In the case of performing "substitute inspection" using practical standard weights, a mass standard management manual (if approved by another organization, a copy of the approval letter is also attached)
6 In the case of replacing vehicles, etc. and performing “substitute inspection”, management methods for vehicles, etc. (If approved by another organization, a copy of the approval letter is also attached)