No marijuana establishment or medical marijuana facility shall be located within 500 feet of the property boundary line of any lot in use as a public or private pre-school, primary or secondary school, licensed day-care center, church, library, park, playground, or other marijuana establishment or medical marijuana facility, except for marijuana facilities that are owned or leased by the same operator. Distance shall be measured in a straight line from the nearest point of the property line in question to the nearest point of the property line where the marijuana establishment is or will be located. The Planning Board may reduce this minimum distance requirement as part of the issuance of a special permit in the following instances only:
Renewal of a special permit for an existing marijuana establishment or medical marijuana facility where the use described in Subsection
A has been established after issuance of the original special permit.
Change of permit holder for an existing marijuana establishment or medical marijuana facility where the use described in Subsection
A was established after issuance of the original special permit.