So far as I can tell, it's still around. That's why I linked to the .gov domain rather than any other source.

Though I suppose I could point at legislation.gov.uk:

• https://duckduckgo.com/?q=%22wholly+or+mainly+of+a+broadly+c...

• https://www.legislation.gov.uk/ukpga/1998/31/schedule/20/cro...