An instrument,
(a) Under which a fraudulent person purports to receive or transfer an estate or interest in land,
(b) That is given under the purported authority of a power of attorney that is forged,
(c) That is a transfer of a charge where the charge is given by a fraudulent person, or
(d) That perpetrates a fraud with respect to the interest in land affected by the instrument.
Source
http://www.e-laws.gov.on.ca/html/statutes/english/elaws_statutes_90l05_e.htm