§ 6. No loan, or subsidy shall be made by the state to aid any project
unless such project is in conformity with a plan or undertaking for the
clearance, replanning and reconstruction or rehabilitation of a
sub-standard and unsanitary area or areas and for recreational and other
facilities incidental or appurtenant thereto. The legislature may
provide additional conditions to the making of such loans or subsidies
consistent with the purposes of this article. The occupancy of any such
project shall be restricted to persons of low income as defined by law
and preference shall be given to persons who live or shall have lived in
such area or areas.