N.H. Rev. Stat. § 420-A:18
No health service corporation shall invest its funds otherwise than as provided in RSA 411-A relating to the investments and holding of real estate by domestic life insurance companies; provided that not exceeding 10 percent of a health service corporation's total admitted assets may be invested in such investments as are prudent for a domestic life insurance company to make, and provided further that, notwithstanding RSA 411-A:12, no such health service corporation may acquire and hold directly or indirectly through its subsidiaries or affiliates more than 10 percent of the outstanding voting stock of any life insurance company formed under the laws of this or another state or any corporation owning or holding the stock of such life insurance company.
RSA 420-A:18
1997, 190:1, eff. Jan. 1, 1998.