R.I. Gen. Laws § 27-11.1-1: Maximum investments in real property.

No domestic insurance company shall purchase, lease, hold, or improve any real property if the cost or value of the property, or the cost of the improvements on it, or all of them on the date of the purchase, lease, or acquisition, plus the book value on that date of all real property held by the company, exceeds twenty percent (20%) of its admitted assets.