Investments acquired in conformance with NRS 682A.440 to 682A.448, inclusive, must be aggregated with investments of the same types made under this chapter, and in a similar manner, for purposes of determining compliance with the limitations, if any, contained in this chapter. Investments in obligations of foreign governments, their political subdivisions and government-sponsored enterprises of these persons, except for those exempted by NRS 682A.444 and 682A.446, are subject to the limitations of NRS 682A.402, 682A.404 and 682A.406.