In the database Johnnie To is stated as Executive Director. Because of this he does not show up as the director of the film.
http://ipac.hkfa.lcsd.gov.hk/ipac20/ipac.jsp?session=1U4413946M5B7.4908&profile=hkfa&uri=full=3100024@!28782@!0&ri=2&aspect=basic_search&menu=search&source=192.168.110.61@!horizon&ipp=20&staffonly=&term=Happy+ghost+III&index=FILMBRP&uindex=&aspect=basic_search&menu=search&ri=2#focus HKFA states him as acting director. Johnnie To states he is the director of this in an interview in Stephen Teo's book also.
Shouldn't this be changed so he shows up under the Director tag?