The Groton Police Department recently released a Transient Merchant Permit Process and Application. These should be used by any vendor looking to solicit in the Town of Groton.
You can find the documents below:
https://portal.grotonma.gov/storage/Police/Applications/Transient_Merchant_Permit_Process.docx
https://portal.grotonma.gov/storage/Police/Applications/Transient_Merchant_Application_2026.pdf