(1) Every building within a sewerage area connected to a foul water sewer and, in the case of the City of Castries, every building and lot of land within the present limits of the said City, shall pay a sewerage tax at such rate as may be prescribed in Schedule 3 hereto.
(2) The rate of the said tax shall be assessed and collected according to the method prescribed for the assessment and collection of house and land tax under the Castries Corporation Act and the provisions of sections 73 to 99 of the said Act shall accordingly apply to the said tax.