R.I. Gen. Laws § 30-16-1: Written statement as to degree of protection afforded.

No contract or agreement for the sale or construction of a bomb shelter, so-called, shall be valid unless, before the time of the making of the contract or agreement, the seller, builder, or erector shall have delivered a written statement in the English language to the purchaser in a form approved by the state department of transportation, fully setting forth the degree of protection afforded by that bomb shelter.