235.1 Swiss Federal Act on Data Protection 6 It shall issue regulations as to how files must be secured that contain data that in the event of war or a crisis could lead to the life or health of the persons affected being endangered. $UWLFOH Implementation by the Cantons 1 Insofar as cantonal data protection provisions do not exist, the processing of personal data by cantonal organs in the execution of the Federal law shall be regulated by Articles 1 to 11, 16 to 23, and Article 25 paragraphs 1 to 3 of the present Act. 2 The Cantons must designate a supervisory authority to be responsible for monitoring compliance with data protection provisions. Articles 27, 30 and 31 shall apply by analogy. $UWLFOH Transitional Provisions 1 File controllers must declare any existing files that must be registered in terms of Article 11 within one year of the date on which this Act comes into force. 2 Within one year of the date on which this Act comes into force, they must take the measures required to allow them to disclose information in terms of Article 8. 3 Federal authorities may continue to use existing files that contain sensitive personal data or personal profiles until 31 December 2000, without having to fulfil the requirements of Article 17 paragraph 2.16 4 For matters relating to asylum seekers and foreign persons, the period allowed in paragraph 3 shall be extended until the totally revised Asylum Act and the amended Federal Act of 26 March 193117 on the Residence and Settlement of Foreign Persons come into force.18 $UWLFOH Referendum and Commencement 1 This Act shall, if so required, be the subject of a referendum. 2 The Federal Council shall determine the date on which this Act shall come into force. Commencement date: 1 July 199319 16 Version in accordance with Section I of the Federal Decree of 26 June 1998, in force until 31 December 2000 (AS  1586; BBl  1579 1583). 17 SR  18 Inserted by Section II of the Federal Decree of 20 June 1997, in force since 1 January 1998 (AS  2372; BBl  I 877). The legislation cited comes into force on 1 October 1999. 19 Decree of the Federal Council of 14 June 1993 (AS  1958). 12