(1) Subject to subsection (2), the value of a housing fringe benefit to which subsection 1157I(2) applies is to be worked out in accordance with section 1157TC.
(a) a determination is in force under section 1157U; and
(b) the determination applies to housing fringe benefits to which subsection 1157I(2) applies;
the value of a housing fringe benefit to which subsection 1157I(2)
applies is to be worked out in accordance with the determination.