Canonum De Lex Ecclesium
Canons of Ecclesiastical Law

one heaven iconV.   Sacraments

5.1 Sacraments

Article 142 - Obsignation

Canon 4384 (link)

Obsignation is the witnessing and sealing of a memorial by a qualified and authorized member.

Canon 4385 (link)

A Celebrant is required to notarize by Obsignatum an instrument of the Event of a sacred Sacrement where such memorialization is required as valid proof.