What is required to legally sell a firearm in a private sale in Rhode Island?

In Rhode Island, to legally sell a firearm in a private sale, the buyer must pass a background check administered by a licensed dealer. This is to ensure that the buyer is eligible to possess a firearm according to state and federal laws. It is crucial to verify the buyer's background to prevent firearms from ending up in the hands of individuals who are prohibited from owning them. Therefore, option C is the correct answer.

Option A is incorrect because something is required to legally sell a firearm in a private sale in Rhode Island.

Option B is incorrect because merely notifying the local police department is not sufficient to complete a legal private sale of a firearm.

Option D is incorrect because having a bill of sale alone is not enough to ensure that the buyer is legally allowed to possess a firearm.