require the applicant (A) to certify in writing, and the Secretary shall determine, that he is unable to obtain sufficient credit elsewhere to finance his actual needs at reasonable rates and terms, taking into consideration prevailing private and cooperative rates and terms in the community in or near which the applicant resides for loans for similar purposes and periods of time, and (B) to furnish an appropriate written financial statement;

except for guaranteed loans, require an agreement by the borrower that if at any time it shall appear to the Secretary that the borrower may be able to obtain a loan from a production credit association, a Federal land bank, or other responsible cooperative or private credit source (or, in the case of a borrower under section 1934 of this title, the borrower may be able to obtain a loan under section 1922 of this title), at reasonable rates and terms for loans for similar purposes and periods of time, the borrower will, upon request by the Secretary, apply for and accept such loan in sufficient amount to repay the Secretary or the insured lender, or both, and to pay for any stock necessary to be purchased in a cooperative lending agency in connection with such loan;