(1) All licensed marijuana processors, producers, and retailers, with the exception of licensed retailers with a medical marijuana endorsement, must conspicuously post a notice provided by the board about persons under twenty-one years of age at each entry to all licensed premises. The notice must contain all of the following language: "Persons under twenty-one years of age not permitted on these premises."

(2) All licensed retailers with a medical marijuana endorsement must conspicuously post a notice provided by the board regarding persons under twenty-one years of age at each entry to all licensed medical marijuana premises. The notice must contain all of the following language: "Persons under twenty-one years of age not permitted on these premises without a valid qualifying patient card. Qualifying patients under the age of eighteen must be accompanied by their designated provider at all times."

(3) All licensed marijuana retailers must conspicuously post a sign provided by the board regarding the use of marijuana during pregnancy and breastfeeding as follows:

(a) At each point of sale; and

(b) In a location easily visible to employees.

(4) All licensed marijuana retailers must conspicuously post a notice provided by the board prohibiting the opening of a package of marijuana or marijuana-infused product in public or consumption of marijuana or marijuana-infused products in public. The notice must be posted in plain view at the main entrance of the marijuana retail establishment.

(5) All licensed marijuana processors, producers, and retailers must conspicuously post on the premises and make available their current and valid master license or licenses with appropriate endorsements for inspection by board enforcement officers.

(6) Firearms prohibited signs provided by the board must be posted at the entrance of each producer, processor, and retailer licensed location.