The surety shall have a current A.M. Best's rating of no less
than "A" and an underwriting capacity as stated in Best's equal
to or greater than the amount of the bond written by that surety or,
in the alternative, be listed on the current United States Department
of the Treasury's annual list of "Companies Holding Certificates
of Authority as Acceptable Sureties on Federal Bonds and as Acceptable
Reinsuring Companies" as published in the Federal Register and have
an underwriting capacity in said list equal to or greater than the
amount of the bond written by that surety.