Please contact these desks as below -

1. Application/Failure
[Application]
JPX Service Desk (application procedure)
TEL: 050-3819-1070
Email: servicedesk@jpx.co.jp

[Failure]
JPX Service Desk (arrownet support)
TEL: 050-3819-1030
Email: arrownet_support@jpx.co.jp

2. Inquiries regarding Clearing Systems
JPX Service Desk (Clearing)
TEL: 050-3819-1076
Email: servicedesk_clearing@jpx.co.jp

3. Inquiries regarding Clearing Businesses
[Listed Products Clearing]
Japan Securities Clearing Corporation (JSCC) Listed Products Clearing division
TEL: 050-3361-1795
Email: system@jpx.co.jp

[OTC Derivatives Clearing]
Japan Securities Clearing Corporation (JSCC) Clearing of OTC and Derivative division
TEL: 050-3361-1794
Email: otc@jpxc.co.jp

[OTC JGB Clearing]
Japan Securities Clearing Corporation (JSCC) OTC JGB Transaction division
TEL: 050-3361-0864
Email: jgb-sett@jpx.co.jp