---
title: "提单上的单位是packages,箱单CO上的单位都是CTNS..."
description: "我们一票急单，提单上单位写的是packages，但箱单和产地证上都是CTNS。这会不会影响客户清关？现在改单还来得及吗？"
url: "https://www.sh-zhongshen.com/qa/bill-lading-unit-packages-packing-list-co-ctns.html"
language: "zh"
type: "Q&A"
category: "其他问题"
datePublished: "2025-12-26"
dateModified: "2025-12-26"
brand: "中申国贸"
answerCount: 3
---

# 提单上的单位是packages,箱单CO上的单位都是CTNS...

## 问题

 我们一票急单，提单上单位写的是packages，但箱单和产地证上都是CTNS。这会不会影响客户清关？现在改单还来得及吗？ 

## 回答
                            
### 回答 1 — 最佳答案

这确实存在合规风险。海关审核时，单证单位不一致可能被认定为申报不实，轻则触发人工查验，重则影响海关统计准确性，面临改单甚至罚款。根据《海关进出口货物报关单填制规范》，计量单位应保持一致性。建议立即联系货代申请改单，如果船已开，需出具情况说明和保函。同时核对HS编码对应的法定计量单位，确保所有申报要素准确无误。后续建议建立单证复核机制，避免类似问题。

**status:** accepted
**Author:** Eric Zhou
**Date:** 2025-12-26

### 回答 2

实操中这种不一致确实会耽误目的港清关。CTNS是具体包装，packages是笼统说法，系统可能判定为货证不符。第一步，马上联系货代看能否改提单，多数船司允许开船后3天内免费改单。第二步，同步通知收货人，让他们提前与目的港代理沟通，准备解释文件。如果改单来不及，让货代出具包装证明，说明packages即CTNS。注意可能产生改单费USD50-100，以及潜在滞箱费风险。建议以后订舱时就明确包装单位，从源头规避。

**status:** suggested
**Author:** Victor Sun
**Date:** 2025-12-26

### 回答 3

客户那边一定要主动沟通，千万别等他们发现问题才解释。您可以发邮件说：“为确保清关顺利，跟您同步一下单证细节。。。” 把问题转化为您的专业度展示。如果客户是信用证付款，要格外小心，银行审单很严格，可能拒付。建议同步提供装箱明细，证明数量完全吻合。这次可以借机提出：“我们后续会加强单证审核，确保贵司清关零风险”，把危机变成信任加分项。后续合同里建议增加条款：“所有单证包装单位须保持一致”，从源头规避商务纠纷。

**status:** suggested
**Author:** Grace Wang
**Date:** 2025-12-26

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