Schedule 1 to the Principal Act is amended as follows:(a) by omitting from clause 5(2) "an approved" second occurring and substituting "a registered" ;(b) by inserting the following subclause after subclause (3) in clause 6 :(4) Despite subclause (3) , if duty on the mortgage is assessable in accordance with item 3(f) of Schedule 4 to the former Act.(a) an advance was made under a mortgage over property partly within and partly outside Tasmania before the commencement day; and(b) the mortgage is not duly stamped under the former Act before that day