“保管 / Retention at Post Office”Normalized: exception (Needs attention)Japan Post (japanpost)

What Japan Post "保管 / Retention at Post Office" Means

Japan Post has recorded "保管 / Retention at Post Office" at Shibuya Post Office, Tokyo, Japan. In lastscanned's unified tracking schema, this event normalizes to `exception` (Held for 7 calendar days).

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What is happening in the supply chain

The parcel (EJ482910492JP) was scanned by Japan Post operations staff or the local delivery courier at Shibuya Post Office, Tokyo, Japan.

92… USPS Awaiting Item Checker →
Verbatim carrier scan
“保管 / Retention at Post Office”
Normalized API status
exception
Typical time to delivery
Held for 7 calendar days
Recommended recipient action
Submit a redelivery request online or collect with photo ID and the notice slip at the holding post office.
Developer / WISMO action
Notify the recipient to schedule redelivery or collect the parcel before the holding window expires.

How lastscanned normalizes this scan

Instead of maintaining brittle regexes for every carrier's raw scan phrasing across 542 carriers, query GET /v1/track/{number} or connect https://mcp.lastscanned.com.

Get an API keyJapan Post API docs

Synchronous GET request

curl "https://api.lastscanned.com/v1/track/EJ482910492JP" \
  -H "Authorization: Bearer lsk_live_YOUR_API_KEY"

Normalized JSON response

{
  "carrier": "japanpost",
  "trackingNumber": "EJ482910492JP",
  "status": "exception",
  "statusDescription": "保管 / Retention at Post Office",
  "message": "保管 / Retention at Post Office",
  "events": [
    {
      "timestamp": "2026-10-26T14:22:00Z",
      "localTime": "2026-10-26T10:22:00",
      "status": "exception",
      "description": "保管 / Retention at Post Office",
      "location": "Shibuya Post Office, Tokyo, Japan"
    }
  ]
}

Frequently asked questions

What does "保管 / Retention at Post Office" mean on Japan Post?
It means Japan Post recorded "保管 / Retention at Post Office" at Shibuya Post Office, Tokyo, Japan, which maps to `exception` in the lastscanned API.
What should I do when I see "保管 / Retention at Post Office"?
Submit a redelivery request online or collect with photo ID and the notice slip at the holding post office.

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