(1) A marijuana business licensee must conspicuously display and make available its site identification certificate at each licensed premises.  

(2) All marijuana business licensees, except for marijuana dispensaries, must conspicuously post a notice at each entry to a licensed premises that contains all of the following: "Persons under twenty-one years of age not permitted on these premises without a valid worker permit."

(3) All marijuana dispensaries must conspicuously post a notice or notices at each entry to the licensed premises that contains all of the following language:

(a) "Persons under twenty-one years of age not permitted on these premises without a valid registry identification card or valid worker permit. Registered cardholders under the age of 18 must be accompanied by a legal guardian."

(b) "No on-site consumption of marijuana or marijuana products." and

(c) "No on-site opening of marijuana or marijuana products."

(4) A marijuana business licensee that is not permitted to sell marijuana or marijuana products to adult use consumers, or a marijuana business licensee that elects not to sell marijuana or marijuana products to adult use consumers, must conspicuously post a notice at the entry to the licensed premises visible from outside that contains all of the following language: "This dispensary is licensed for medical marijuana sales only. No sales will be permitted without a valid registry identification card."