Section 625.308 - Loans guaranteed by the United States(1) An insurer may invest in loans insured or guaranteed as to principal and interest by the Government of the United States, or by any agency or instrumentality of the Government of the United States, to the extent of such insurance or guaranty.(2) An insurer may invest in student loans insured or guaranteed as to principal by the Government of the United States, or by any agency or instrumentality of the Government of the United States, to the extent of such insurance or guaranty.s. 133, ch. 59-205; s. 1, ch. 74-43; s. 3, ch. 76-168; s. 1, ch. 77-457; ss. 2, 3, ch. 81-318; ss. 122, 809(1st), ch. 82-243; ss. 187, 188, ch. 91-108; s. 4, ch. 91-429.