## Background Export certification issues are highly concentrated in their distribution. In recent project records, three types of situations recur.
## Frontline Observations **1. Certificate validity periods are overlooked.** Certificates for CE-LVD Low Voltage Directive certification have clear validity periods, but companies often manage them according to project schedules and do not set expiration reminders.
**2. Document consistency.** Inconsistency in product names and model designations across the four documents—certificate, invoice, packing list, and bill of lading—is a high-frequency cause of customs clearance delays.
**3. Standard version updates.** After standard versions are updated, old reports do not automatically become invalid, but they may be rejected during customer audits and platform verification.
## What Companies Should Do 1. Establish a certificate ledger, marking validity periods and covered models. 2. Conduct a "four-document cross-check" before shipment. 3. Conduct an annual standard version review.
## Note This article is an industry observation and does not constitute legal advice. Specific clauses are subject to the official original texts. For more lists, see the certification catalog on the Shuwang Testing and Certification Platform at https://www.shuwangtc.com.