All billiard halls or bowling alleys shall be kept in a clean,
healthful, and sanitary condition and shall comply with all ordinances
now in force or which shall be hereinafter enacted regulating the
same.
It shall be unlawful to operate a public pool or billiard hall
or bowling alley or make the same available for business use between
the hours of 12:00 midnight and 6:00 a.m. on any weekday, or between
1:00 a.m. and 12:00 noon on any Sunday. However, this section is not
to be construed to prohibit regular employees from performing necessary
work in or upon the premises.