Some of the documents were initially classified in the State Security Service as highly confidential. In September 2015, all documents were declassified. As mentioned in the SOA's Public Report for 2016, “the Agency's intention is that these valuable archival documents become available to the scholarly and general public, thereby enabling a clearer overview of that period of Croatian history” (SOA. 2016 Public Report, p. 42).

A notice posted on the Agency's web pages on 25 September 2015 also pointed out that the acquisition of the State Security Service Collection by the Croatian State Archives “distances the SOA from any connection to the activities, methods and traditions of the former State Security Service.” It was concluded that after doing so, “the SOA has been recognised as a modern security-intelligence agency of a democratic state which adheres to the practices of services in states with long democratic traditions where this pertains to declassification of documents for which there are no longer grounds for maintaining confidentiality.”