the Secretary may require an Indian tribe, only as a condition of insurance made under this subchapter pursuant to this section, to pledge income from tribal resources or income from tribal assets not subject to a restriction by the Secretary of the Interior or pledge grants under title I of the Housing and Community Development Act of 1974 [
42 U.S.C. 5301 et seq.] or any other Federal grant program administered by the Secretary of Housing and Urban Development to be used to reimburse the Secretary for any mortgage insurance claims paid in connection with residences insured pursuant to this section; or