The ceremonial certificate (also called the commemorative or presentation certificate) is the one you sign during your wedding ceremony and take home that day. It looks beautiful and feels official—but it’s not valid for legal purposes like changing your name, passport, or bank records.

The official marriage certificate is the legal document issued by the Registry of Births, Deaths and Marriages (BDM) in the state or territory where your wedding took place. This is the certificate recognised by:

  • Government departments

  • Banks and super funds

  • The ATO, passport office, and driver licensing agencies

Quick comparison:

Ceremonial Certificate Official Marriage Certificate
Given on the day ✅ Yes ❌ No (must be applied for)
Legal proof of marriage ❌ No ✅ Yes
Used for ID changes ❌ No ✅ Yes
Issued by Your celebrant State or Territory BDM
Decorative? ✅ Yes – keepsake style ❌ No – formal legal format

The Official Marriage Certificate is optional, and regardless of whether or not you apply for it, your marriage is still entirely valid when your celebrant concludes the ceremony.