Does a CERTIFICATE OF IDENTITY need to be notarized?
A certificate of identity, sometimes called an alien’s passport, is a travel document issued by a country to non-citizens (also called aliens) residing within their borders who are stateless persons or otherwise unable to obtain a passport from their state of nationality (generally refugees). Some states also issue certificates of identity to their own citizens as a form of emergency passport or otherwise in lieu of a passport. The visa requirements of certificates of identity may be different to those of regular passports.
More information here. All text retrieved from Wikipedia under a Creative Commons license.