N.D. Cent. Code § 21-04-16: When no bonds are required

Whenever it appears that a bank designated by a public corporation as depository of its funds has complied with the provisions of the act of Congress relating to the guaranty of deposits in state and national banks, no bond may be required of said bank to secure the deposits of any part of said public funds up to the amount the deposit is secured in said bank under said federal act.