A Local Law to amend the administrative code of the city of New York, in relation to authorizing an increase in the amount to be expended annually in the Downtown Flushing Transit Hub business improvement district, an extension of the boundaries of such district, the provision of additional services and the modification of existing services in such district, a change in the method of assessment upon which the district charge is based, and an increase in the maximum total amount to be expended for improvements in such district.