(a) Initial complement.--Except as provided for Category 3 slot machine licensees under section 1305 (relating to Category 3 slot machine license) or a Category 4 slot machine licensee under section 1305.1 (relating to Category 4 slot machine license), the following apply:

(b) Additional slot machines.--Except as provided for Category 3 slot machine licensees under section 1305, six months following the date of commencement of slot machine operations, the board may permit a slot machine licensee to install and operate up to 2,000 additional slot machines at its licensed facility, beyond those machines permitted under subsection (a), upon application by the slot machine licensee. The board, in considering such an application, shall take into account the appropriateness of the physical space where the additional slot machines will be located and the convenience of the public attending the facility. The board may also take into account the potential benefit to economic development, employment and tourism, enhanced revenues to the Commonwealth and other economic indicators it deems applicable in making its decision. Subject to the limitation under section 1305.1(d), slot machines approved under this subsection may be installed and operated at a Category 4 licensed facility.