Definitions clarify company status and scope of registered documents for records disposal under company law. Definitions set the scope for the records disposal regime: company includes foreign companies; company in operation denotes those remaining on the register or not finally dissolved; registered documents covers any document filed, registered or recorded and any registers or records maintained by the Registrar; Registrar of Companies includes the Registrar and designated subordinate registration officers. These terms identify which entities and materials are subject to the disposal procedures under the Act.