(1) The licensed business premises of nonhouse-banked, Class F, and house-banked card rooms may not be adjacent to each other if each licensed business premises:

(a) Shares inside public access between the two licensed business premises; or

(b) Has employee access between the two licensed business premises visible to the public; or

(c) Shares windows or similar structures that allow customers to see into the other licensed business premises.

(2) Subsection (1) of this section does not apply to nonhouse-banked, Class F, and house-banked card room physical locations that have any of the features listed in subsection (1) of this section and were licensed on the effective date of this rule.

(3) Adjacent card rooms must post signs at each entrance that is accessible by the public to clearly notify customers of the licensed business premises' identity.