The Regulatory Reform (Fire Safety) Order 2005 (RFSO) is a UK legislation, and relevant information about it can be found on various official and authoritative websites. Here are some relevant websites:

1. Gov.uk - Fire safety in the workplace:

   • https://www.gov.uk/workplace-fire-safety

2. National Fire Chiefs Council (NFCC):

   • https://www.nationalfirechiefs.org.uk/

3. The Institution of Fire Safety Managers (IFSM):

   • https://www.ifsm.org.uk/

4. Fire Industry Association (FIA):

   • https://www.fia.uk.com/

5. Fire Safety Advice Centre - London Fire Brigade:

   • https://www.london-fire.gov.uk/safety/the-home/fire-safety-advice-centre/

6. Fire Safety Order - Legislation.gov.uk:

   • https://www.legislation.gov.uk/uksi/2005/1541/contents/made

7. HSE - Fire Safety:

   • https://www.hse.gov.uk/toolbox/fire.htm

Always ensure that you refer to official government websites and reputable fire safety organisations for the most accurate and up-to-date information regarding the RFSO and fire safety regulations.