SDCL § 50-6A-32: Recitation in bond as conclusive on issuance and purpose.

Any bond reciting in substance that it has been issued by the authority pursuant to the provisions of this chapter and for a purpose or purposes authorized to be accomplished by this chapter shall be conclusively deemed, in any suit, action, or proceeding involving the validity or enforceability of the bond or the security therefor, to have been issued pursuant to such provisions and for such purpose or purposes.