Except as otherwise provided by the Board: a holder of a 6–day Class A beer license may sell beer on Monday through Saturday, from 6 a.m. to 2 a.m. the following day; and a holder of a 7–day Class A beer license may sell beer on Monday through Sunday, from 6 a.m. to 2 a.m. the following day. Except as otherwise provided by the Board and subject to paragraph (2) of this subsection, a holder of a Class B beer license may sell beer on Monday through Sunday, from 6 a.m. to 2 a.m. the following day. The license holder may not sell beer at a bar or counter on Sunday. Except as otherwise provided by the Board and subject to paragraph (2) of this subsection, a holder of a Class C beer license may sell beer on Monday through Sunday, from 6 a.m. to 2 a.m. the following day. The license holder may not sell beer at a bar or counter on Sunday. Except as otherwise provided by the Board: a holder of a 6–day Class D beer license may sell beer on Monday through Saturday, from 6 a.m. to 2 a.m. the following day; and a holder of a 7–day Class D beer license may sell beer on Monday through Sunday, from 6 a.m. to 2 a.m. the following day.