More detailed information about the specifications and the specification documents are available on the Finnish-language page.
Version practices for the specification
The document “Kanta-palveluihin tallennettavia asiakirjoja koskevien määrittelyiden versiointikäytännöt” (Version practices for specifications concerning documents entered in the Kanta Services) defines the practices with respect to the forward and backward compatibility of documents and other versioning practices of specifications.