Subject to paragraph (2), to the extent and in such amounts as are provided in appropriation Acts, subject to the requirements of this section, and in accordance with such terms and conditions as the Secretary may prescribe, the Secretary may guarantee and make commitments to guarantee the notes and obligations issued by Indian tribes or tribally designated housing entities with tribal approval, for the purposes of financing activities carried out on Indian reservations and in other Indian areas that, under the first sentence of section
5308
(a) of title
42, are eligible for financing with notes and other obligations guaranteed pursuant to that section.