An insurer may invest in obligations, other than those eligible for investment under section 1124 (mortgage loans), issued, assumed or guaranteed by any solvent institution created or existing under the laws of the United States or of Canada, or of any state, province, district or territory thereof, provided that the obligations are not in default as to principal or interest, are investment grade obligations as defined in section 1110, subsection 1-A, paragraph I, and are qualified under any of the following. [1999, c. 715, §2 (AMD).]