Copyright Ordinance (Cap. 528)
http://www.legislation.gov.hk/blis_ind.nsf/WebView?OpenAgent&vwpg=CurAllEngDoc*496*100*528.1#528.1
FAQs on Copyright and Education (Chinese only)
http://www.edb.gov.hk/attachment/tc/sch-admin/admin/about-teaching/copyright/FAQs%20on%20Copyright%20and%20Education%20(18-7-13).pdf