(1) For this division—(a) a residence that is constructed is a person’s
"home" or
"first home" if it is the person’s home or first home under section 86 ; and(b) a residence that is to be constructed is a person’s
"home" or
"first home" if, when constructed, it will be the person’s home or first home under section 86 .
(2) For subsection (1) , section 86 (2) (b) does not apply.
(3) For subsection (1) (b) , section 86 applies as if the reference to a period of 1 year after the person’s transfer date for the residential land were a reference to a period of 2 years after the date the mortgage was first signed.