Idaho Code § 50-1033

Any city issuing bonds under sections 50-1027 through 50-1042, Idaho Code, for the acquisition, construction, reconstruction, improvement, betterment or extension of any works or to rehabilitate existing electrical generating facilities, shall have the right to appropriate, apply or expend the revenue of such works or rehabilitated existing electrical generating facilities for the following purposes: (a) to pay when due all bonds and interest thereon, for the payment of which such revenue is or shall have been pledged, charged or otherwise encumbered, including reserves therefor; (b) to provide for all expenses of operation, maintenance, replacement and depreciation of such works or rehabilitated existing electrical generating facilities, including reserves therefor; (c) to pay and discharge notes, bonds or other obligations and interest thereon, not issued under this act for the payment of which the revenue of such works or rehabilitated existing electrical generating facilities may have been pledged, charged or encumbered; (d) to pay and discharge notes, bonds or other obligations and interest thereon which do not constitute a lien, charge or encumbrance on the revenue of such works or rehabilitated existing electrical generating facilities, which may have been issued for the purpose of financing the acquisition, construction, reconstruction, improvement, betterment or extension of such works or to rehabilitate existing electrical generating facilities; and (e) provide a reserve for improvements to such works or rehabilitated existing electrical generating facilities. Unless and until full and adequate provision has been made for the foregoing purposes, no city shall have the right to transfer the revenue of such works or rehabilitated existing electrical generating facilities to its general fund.