NIO Central population register - PIN Users via a web service that implements it in its computer system to perform insights through web service in the Central Population Register. As an input PIN is used, a set of data returned depends on the legal basis that each user can obtain from official records.

To use the seris is necessary:
- The appropriate legal basis which allows you to connect records
-consensus-third of the Information Commissioner 84th paragraph Article ZVOP1
- Contract / agreement between the user and Ministry of the Interior
user certificate by the Ministry of the Interior enter in your security scheme
-HKOM network to the user