notarization
/ˌnəʊtərʌɪˈzeɪʃn/(also notarisation) originally and chiefly US
noun
The action or process of notarizing a document; a record of this, as stamped and signed by a notary directly on a document, or in the form of a certificate.
Origin
1930s; earliest use found in Suburbanite Economist (Chicago). From notarize + -ation.