---
id: KB-LG-009
url: https://app.codecontract.io/help/logistics/customs-warehousing-and-held-goods
idioma: en
categoria: sector-logistica
subcategoria: aduanas
audiencia: usuario
nivel: avanzado
actualizado: 2026-08-13
tambienEn: [es]
relacionados: [KB-LG-002, KB-LG-001]
citadoPor: [KB-LG-011, KB-LG-013, KB-LG-024]
---

# Customs warehousing and held goods

_Goods that are there but cannot move, and paperwork that decides how long they stay._

**Responde a:** goods held at customs documentation · customs warehouse paperwork · why a container gets held · speeding up customs clearance

A customs hold costs money every day: storage, container demurrage, deliveries that fall through. And it is rarely about the goods: it is because a paper is missing, carries a different figure, or arrives late.

## The usual causes, in order

| Cause | What triggers it | Cost to fix |
| --- | --- | --- |
| Discrepancy between documents | Invoice, packing list and bill of lading disagree | Hours, if you can reach whoever issued it |
| A missing certificate | Origin, health, conformity | Days, if it must be requested at origin |
| Disputed classification | The declared tariff heading | It varies, and sometimes it pays to ask first |
| Random control | Nothing you did wrong | However long the inspection takes |

> [!IMPORTANT]
> The first is the commonest and the most avoidable. Three documents describing the same goods with three descriptions or three weights create a hold nobody would argue about if the figures matched.

## How to prevent it before shipping

1. **Check the three documents agree** — Description, quantity, weight and value. While the shipment is still at origin.
2. **Check which certificates the destination requires** — They vary by country and product, and sometimes change without notice.
3. **Keep everything in the shipment's file** — Not in the agent's inbox nor the supplier's: somewhere both can reach.
4. **And keep what origin sends exactly as it arrives** — The original, not a retyped version: if there is a discrepancy, it is compared against it.

> [!WARNING]
> The blind spot is the customs agent. They do good work, but if all documentation lives in their inbox, when a hold happens you depend on them being available to find out what occurred. With a shared file, you see it yourselves.

## Once it is held

**En corto**

- First, establish the exact cause rather than assuming it.
- Second, who can issue the missing document and how long they take.
- And third, tell the end customer before they ask.

The third does not shorten the hold but it decides whether the customer experiences it as a setback or as your failure.

> [!NOTE]
> Every held day has a measurable cost in storage and demurrage. It is worth recording: it is the argument that convinces people to spend half an hour checking documentary consistency before each shipment.

**Can you tell in advance if goods will be held?**

Not for random control; for the other three causes, almost always yes.

**Is clearance history useful?**

Very: the same products with the same suppliers repeat the same problems.

**What if the hold is over classification?**

It is a technical argument: detailed product documentation to hand is what helps.

## Ejemplos

**An importer keeps getting holds and always hears from the agent two days later.**

- Centralises shipment documentation in a shared file
- Checks the three documents agree before shipping

→ Discrepancy holds disappear and the rest are spotted the same day.

**A consignment has sat for weeks and its owner says they did not know.**

- Records every notice sent, with its date

→ The storage invoice is explained by the trail.

**Nobody knows what is missing for a consignment to leave.**

- Shows which document is missing and whose it is

→ The owner acts without a phone call first.

**There is a dispute about the condition goods arrived in.**

- Keeps what was checked on entry

→ The dispute closes on the record.

**A consignment has sat a year and nobody answers.**

- Flags what has gone too long without movement

→ The case is faced at one month rather than one year.

**The owner changes forwarder and nobody knows who to write to.**

- Records the contact for each consignment

→ The notice reaches somebody who exists.