A billing authority may in accordance with this Part make arrangements ("BID arrangements") with respect to an area (a "business improvement district") comprising all or part of the area of the authority.
The purpose of BID arrangements is to enable—
the projects specified in the arrangements to be carried out for the benefit of the business improvement district or those who live, work or carry on any activity in the district, and
those projects to be financed (in whole or in part) by a levy ("BID levy") imposed on the non-domestic ratepayers, or a class of such ratepayers, in the district.