1. The two mechanisms
Consular legalization is the pre-Convention route: notarisation, foreign ministry authentication, embassy legalization.
An apostille is the Convention route: a single certificate added by a competent authority.
2. Why exporters still need to know the first
Because a large share of China’s export markets are not Convention parties, and did not become parties when China acceded.
The Gulf, much of Africa, South Asia and Russia continue to require the full chain.
3. What consular legalization does
It establishes, link by link, that each seal and signature on the document is genuine.
The notary certifies the document.
The foreign ministry certifies the notary.
The embassy certifies the foreign ministry.
No link examines the substance of the document.
4. What an apostille does
A single certificate, added by the issuing authority after notarisation, which states the seal and signature are genuine.
It performs the same function with one step instead of three.
5. The practical differences
Timing
Three to four weeks against three to seven days.
Cost
The embassy step is usually the largest item in the consular chain. An apostille removes it.
Acceptance in third countries
An apostille is accepted by all Convention parties. A consular-legalized document is tied to the embassy that certified it.
6. Where exporters go wrong
Sending an apostilled document to a non-party, where it is not recognised.
Sending a consular-legalized document to a party, where the receiving authority may still require an apostille.
Assuming that the Convention changed everything. It changed the route for parties, and nothing for the rest.
7. A working check
List the destination markets.
Mark each as party or non-party, with the Indian exception noted separately.
Mark the document types each market requires.
That table decides the route for every shipment.
8. Closing view
Consular legalization is not obsolete. It is the route for every market the Convention has not reached.
Exporters who dropped it from their procedures when China acceded discovered this the hard way.
*This article is based on China’s consular authentication regulations, updated October 2026, and the Apostille Convention.*