When, by reason of disturbed or disrupted economic conditions due to the prosecution of war or due to the operation of laws, rules, or regulations of governmental authorities, whether enacted, passed, promulgated, or issued under or due to the emergency or necessities of war or national defense, the contracting or purchasing by a consumers power district, for any one or more of the purposes mentioned in § 49-37-9 is so restricted, prohibited, limited, allocated, regulated, rationed, or otherwise controlled, that the letting of contracts therefor, pursuant to the requirements of said section, is legally or physically impossible or impractical, the provisions of said section shall not apply to such contract or purchases.

Source: SL 1950 (SS), ch 17, § 54; SDC Supp 1960, § 52.1754.