Article 1 provides that articles 2 and 3 of this Order has effect for the purposes of determining eligibility for, and calculating the amount of, small business rate relief in respect of days falling on or after 1st April 2017. The Non-Domestic Rating (Small Business Rate Relief) (England) Order 2012 (S.I. 2012/148) (as amended) is revoked by article 6 of this Order but will continue to have effect in relation to chargeable days falling prior to 1st April 2017.