This section applies where an application for a grant is a tenants' commonparts application.
The local housing authority shall decide how much of the cost of therelevant works is attributable to the applicants (in this section referred toas "the attributable cost"); and, for the purposes of thissection, the attributable cost is an amount equal to the proportion, referredto in subsection (3) below, of the cost of the relevant works.
The proportion mentioned in subsection (2) above is as follows—
and in any case where the interest by virtue of which the liabilityreferred to in paragraph (b) above arises is held jointly by two or morepersons, those persons shall be regarded as a single person in deciding forthe purposes of that paragraph the number of persons so liable.
The local housing authority shall then apportion the attributable cost toeach of the applicants—