Chapter VI Security during handlingF1 United Kingdom Repealed Original text. Later amendments are not shown. SECURITY OPERATING PROCEDURES SOFTWARE PROTECTION/CONFIGURATION MANAGEMENT CHECKING FOR THE PRESENCE OF MALICIOUS SOFTWARE/COMPUTER VIRUSES MAINTENANCE Annotations Textual amendments F1 Repealed by Council Decision of 31 March 2011 on the security rules for protecting EU classified information (2011/292/EU). Chapter VI