6 administration when applying for an authorization or decision for which a personal photograph and specimen signature are needed; a personal photograph and specimen signature recorded as image data may, with the consent of the person concerned, be used in the preparation of any other administrative authorization or decision applied for by the person besides the document for which the personal photograph and specimen signature were submitted (image data); 4) information, for the purposes laid down in Chapter 4 of the Act on Background Checks (177/2002), confirming that the person has been subject to a limited background check as referred to in the Act, and the time at which the background check was made, and other information needed to identify the background check (local police background check data); 5) information on the applications, decisions, cards, police action, obstacles, reprimands, notifications and inspections referred to in the Private Security Services Act (282/2002) and in further provisions issued under it, and on the applications, decisions, authorizations, cards, police action, obstacles, reprimands and notifications referred to in the Security Stewards Act (533/1999) and in provisions issued under it that is necessary for the performance of police duties laid down in the Private Security Services Act and the Security Stewards Act (security sector supervision data); 6) in the case of aliens as referred to in section 53a of the Aliens Act (378/1991), for the performance of duties laid down in the same section, the personal descriptions referred to in the section, and travel document information (aliens identification data). Section 4 Suspect Data System (1) The Suspect Data System is a permanent, computerized personal data file intended for nationwide use by the police. (2) The Suspect Data System may contain criminal intelligence, surveillance and observation data, obtained for the performance of