Section 235.4 - Guarantee eligibility(a) Eligible Notes only are guaranteed hereunder. Notes in order to achieve Eligible Note status:(1) Must be signed on behalf of the Borrower, manually or in facsimile, by a duly authorized representative of the Borrower;(2) Must contain a certificate of authentication manually executed by a Fiscal Agent whose appointment by the Borrower is consented to by USAID in the Fiscal Agency Agreement; and(3) Shall be approved and authenticated by USAID by either: (i) The affixing by USAID on the Notes of a guarantee legend incorporating these Standard Terms and Conditions signed on behalf of USAID by either a manual signature or a facsimile signature of an authorized representative of USAID or(ii) The delivery by USAID to the Fiscal Agent of a guarantee certificate incorporating these Standard Terms and Conditions signed on behalf of USAID by either a manual signature or a facsimile signature of an authorized representative of USAID.(b) The authorized USAID representatives for purposes of the regulations in this part whose signature(s) shall be binding on USAID shall include the USAID Chief and Deputy Chief Financial Officer, Assistant Administrator and Deputy, Bureau for Economic Growth, Education, and Environment, Director and Deputy Director, Office of Development Credit, and such other individual(s) designated in a certificate executed by an authorized USAID Representative and delivered to the Fiscal Agent. The certificate of authentication of the Fiscal Agent issued pursuant to the Fiscal Agency Agreement shall, when manually executed by the Fiscal Agent, be conclusive evidence binding on USAID that an Eligible Note has been duly executed on behalf of the Borrower and delivered.