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of, a dwelling house, retail shop, showroom, hotel or office or
to any purpose ancillary to the purposes of a dwelling house,
retail shop, showroom, hotel or offics.
(2) The "relevarit interest" means, in relation to any
expenditure incurred on the construction of a building or
structure the interest in that building or structure to
person who incurred the expenditure was entitled
which
when he incurred it.
(3) The "residue of expenditure" shall be the amount of
the capital expenditure incurred in the construction of a
building or structure reduced by
(1) the amount of
initial allowance made; and
(ii) any armal allowances made; and
(iii) any balancing allowances granted; and
increased by any balancing charges made.
hich
If, in the case of any year of assessment after that in
building or structure is first used, no anmual
allowance falls to be made to any person in respect of th
expenditure, then, subject to the provisions of this sub-
section, an amount equal to one-fiftieth of the expenditure
shall be written off as at the end of the previous year of
assessment :
Provided that
(a) in th case of the year of assessment 1947/48 or
Deequent year of assessment this subsection shall not apply
for any purpose if the building or structure was an
industrial building or structure on the day preceding the
beginning of the year of assessment; and
(b) where this subsection does apply in the case of
the year of assesment 1947/48 or any subsequent year of
asrosament, amount to be written off shall, if the
building or structure has been sold on or after the first
day of April 1947 while an industrial building or structure,
be th amount which would have fallen to be written off if ·
(1) the building or structure had been an
/industrial