507.The power for a judge to make a production order is available for all three types of investigations specified in section 341. Similar powers previously existed in section 93H of the Criminal Justice Act 1988, section 55 of the Drug Trafficking Act 1994 and Article 50 of the Proceeds of Crime (Northern Ireland) Order 1996. Under subsection (1), an application for a production order may be made by an appropriate officer; section 378 specifies the appropriate officer in relation to each type of investigation.