A school district may not issue bonds for any purpose other than that provided in 15-1-402, 20-9-412, and 20-9-471 unless the issuance of bonds has been authorized by the qualified electors of the school district at an election called for the purpose of considering a proposition to issue the bonds. A school district bond election must be called by a resolution as prescribed under the provisions of 20-20-201 when:
§ 20-9-421, MCA