Subject to subsection (b) of this section, the Board may not issue: Class A and Class D beer, wine, and liquor licenses so that the number of licenses issued in each of these classes exceeds one for every 1,300 residents in the county, as determined by the latest federal census; and Class A and Class D beer licenses or Class A and Class D beer and light wine licenses so that the aggregate number in these classes exceeds one for every 1,300 residents in the county, as determined by the latest federal census. The Board may approve the transfer of a license.