Any act or the omission of any act constituting a violation of any of the provisions of this chapter by any officer, director, manager, or other agent or employee of any licensee under the Nebraska Liquor Control Act, if such act is committed or such omission is made with the authorization, knowledge, or approval of such licensee, shall be deemed and held to be the act of such employer or licensee, and such employer or licensee shall be punishable in the same manner as if such act or omission had been done or omitted by him personally.