Legislative Council of Hong Kong, Karaoke Establishments Ordinance (2002)
“ Where a person charged with an offence under subsection (1) (a) is— (a) a representative of a body corporate or a partnership whose name appears on the permit or the licence concerned; or (b) a grantee or a licensee who is an individual, it shall be a defence for the person to prove that— (i) he did not know and had no reason to suspect the existence of the circumstances giving rise to the contravention; and (ii) he could not, by the exercise of reasonable supervision and reasonable diligence, have prevented those circumstances arising. ”
