Rhode Island General Laws Title 23. Health and Safety § 23-28.28-15. Military and public agencies exempt

(a) The provisions of this chapter shall not apply to the armed forces of the United States, the national guard, the Rhode Island state guard, the Rhode Island militia, and the Rhode Island independent chartered military commands, or to officers or employees of the United States or this state who are authorized by the United States or the state to handle explosives nor to the police or fire departments of this state provided they are acting within their official capacity and in the proper performance of their duties.

(b) Security devices as used by banks containing explosives may be used with special permission granted by the state fire marshal.

(c) The Rhode Island militia and independent chartered military commands, as defined in title 31, may store explosives with special permission of the state fire marshal.  No fee shall be charged by the state fire marshal for this permit.