Yahoo Japan ID except Japan Shopping Service issue is not available.
Your own Yahoo Japan auction ID is only availabe for bidding on your auction. If you use it for another thing, your id will be deleted immediately. and your all orders will be canceled. In case that there is any charges for the id, you owe pay it.
Your own Yahoo Japan auction ID will be issued in 1-3 days after receiving your request.
Japan Shopping service can not tell you any password of issued Yahoo Japan ID.
Issued Normal Yahoo Japan ID can not bid on the auction which is Bidder authentication restriction (入札者認証制限). Please use "Auto Bid" service for the auction in Yahoo Auction bid tool.
Select "Auto bid" from pulldown menu in the tool.
[Upgrade to premium ID]
Needs more than total 5 (=positive - negative) feedbacks by Yahoo Japan ID.
Rating is 100%
If you have many negative feedbacks in passed, we can't upgrade your any ID.
[Normal ID] (Negative Feedbacks / Positive feedbacks) >= 30% ->Delete ID without any warning.
[Premium ID] (Negative Feedbacks / Positive feedbacks) >= 20%
-> Downgrade to normal ID without any warning.
[Cost of premium id]
1000 yen is charged for yahoo japan premium until the end of a month.
[Free premium id]
1. If you made successfull order more than one in a month, your id will be keep the premium id FREE.
2. If you don't have any order in a month, your id will be downgrade to normal id.