I have recently received the Good Standing Certificate for my Wife from Saudi Arabia.
1, Follow the link, type your registration number and put enter. You will see the details like your name, position. Add you current contact details & Email ID
2, Select Next and confirm.
3, Now the screen will show you the content "Invoice successfully created, please pay via SADAD".
4, You can see an account number on the invoice "NOTE IT DOWN".
5, Ask anybody residing in Saudi Arabia to got to an ATM machine & once you enter the pin number you can see an option like SADAD Payment, Balance Inquiry, Other Services ...etc.
6, Select for sadad payment and pay SAR 300 to the same account number mentioned in the invoice.
Once our friend paid the money in Saudi Arabia, we received the good standing certificate by mail in an hour.
Hope this will be help to to some one as we were trying to get this information for over a month as we are residing outside Saudi Arabia.