The state police, sheriffs, constables and all police officers within the State of Oregon will enforce all provisions of the Liquor Control Act & assist the Oregon Liquor Control Commission in detecting violations of that statute and apprehending offenders. Each such enforcing officer having notice, knowledge or reasonable ground of suspicion of any violation of that statute will immediately notify the district attorney, & furnish the district attorney with names & addresses of any witnesses, or other information within the officer's knowledge, of such violation