Where a heaving subsoil is suspected at the building site ( as where shattered or micro-shattered desiccated cohesive subsoil is present) or where previous experience in the area concerned indicated the presence of such a condition, the local authority-

a) may require a report to be submitted with the building plans, specifying and justifying the measures proposed to be taken to make provision for the differential movements in the building which are likely to arise; and

b) shall have the power to enforce these proposed measured in full or in part.