24 C.F.R. § 1000.412
Can an issuer obtain a guarantee for more than one note or other obligation at a time?
Yes. To obtain multiple guarantees, the issuer shall demonstrate that:
(a) The issuer will not exceed a total for all notes or other obligations in an amount equal to five times its grant amount, excluding any amount no longer owed on existing notes or other obligations; and
(b) Issuance of additional notes or other obligations is within the financial capacity of the issuer.