6This Act not to affect dates for exacting payment of assessments from railway and other companies.
Nothing in this Act contained shall alter or affect the dates on which payment may be demanded or exacted of any assessment, rate, or tax chargeable upon or according to the valuation appearing in the valuation roll of railways, canals, and other undertakings, and such assessment, rate, or tax shall, notwithstanding the earlier completion of such valuation roll, as by this Act provided, be demanded or exacted in respect of such' undertakings only when demanded or exacted in respect of other lands and heritages, and not earlier than it could be demanded or exacted if the said valuation roll of railways, canals, and other undertakings were completed at the same date as the valuation roll of all other lands and heritages.