Derek Moran
“unperfected”, in relation to a security interest, means that the security interest has not been registered in a public register maintained under the law under which the security interest is created, or has not been perfected or published by any other means recognized by that law, where the registration or other means of perfection or publication would have made the security interest effective against third parties or would have determined priorities in rank in respect of rights in, on or in respect of the property that is subject to the security interest;
http://www.laws.justice.gc.ca/eng/acts/B-1.01/page-169.html#h-80
Printed copy · Anthology Volume 5, page 434
