Those circumstances do not, however, deprive the rule of
construction of all force. Further, the policy which underlies
the provisions of the section, considered as a whole, and the use
of the word "reasonably", suggest strongly, in my opinion, that in
s.6AD(3) the words under consideration direct enquiry as to what
annual rate of income could reasonably be expected to be derived,
in all the circumstances relevant toa judgment as to what might
be reasonable. I think that the word "reasonably", in the context
which sub-section 6AD(3) supplies, directs the Secretary's
attention to, inter alia, all the circumstances, including the
personal relations of those concerned in the property, which in
his judgment might reasonably be taken into account by "the
person" or "the person's spouse", as the case may be, in deciding
how the property was to be exploited to produce income. And he
is required, in my opinion, to have regard to the annual rate of
income that could reasonably be expected to be derived from, or
produced with the use of, that property in all the circumstances,
including those circumstances to which I have just referred. The
construction suggested does not direct enquiry merely as to the
annual rate of income likely in fact to be derived from, or
produced with the use of, the property by "the person" or "the
person's spouse", as the case may be, but rather enquiry as to
what annual rate of income the Secretary, or the Administrative