Ohio Revised Code Title XVII. Corporations Partnerships § 1751.26

(C)(1) No health insuring corporation shall invest, without the prior approval of the superintendent, an amount that exceeds forty per cent of its admitted assets as of the immediately preceding thirty-first day of December in real estate used for the accommodation of the health insuring corporation's business operations from which the health insuring corporation provides health care services.

(2) No health insuring corporation shall invest, without the prior approval of the superintendent, an amount that exceeds twenty-five per cent of its admitted assets as of the immediately preceding thirty-first day of December in real estate used for the accommodation of the health insuring corporation's business operations from which the health insuring corporation does not provide health care services.