Licenses issued under the provisions of this
article shall be valid for a period of two years and shall expire
on the 30th day of June of the second year.
Each license issued under the provisions of
this chapter shall be posted on the premises whenever the operator
dispenses beverages or be in his possession, or the operator shall
carry a license card.
Violation of any of the terms or provisions
of the state law or of this chapter relating to operators' licenses
by any person holding such operator's license shall be cause for revocation
of the license.