# 4.2 失敗しやすいケース

* **チェックイン前に決済した（手動取込）**\
  → チェックイン日時が決済日時より後の場合はBIND不可。
* **加盟店名が省略されている**\
  → 一部AMEXやQUICPayでは「SHOP」など略号のみ表示 → 無効。
* **レシートや領収書で登録した**\
  → 決済証拠として対象外（カード明細のみ有効）。


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.syfu.io/ja/checkin-bind/common-failures.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
