Improvements may be made by a union school district for the purposes for which the district is established as provided in this subchapter, and indebtedness may be incurred for the improvements as provided by 24 V.S.A. §§ 1751-1786a. Early or absentee voting in accordance with 17 V.S.A. §§ 2531-2550 shall be permitted on questions concerning bond issues of the union school district. The debt limit of the union school district shall be ten times the sum total of the education grand lists of the member districts composing the union, without diminution for any obligation incurred by a member district alone. The amount of indebtedness of a union school district incurred to finance any project approved under sections 3447 to 3456 of this title shall not be considered a part of the indebtedness of the union school district for purposes of determining its debt limit. Obligations incurred under 24 V.S.A. §§ 1751-1786a, or as otherwise authorized in this subchapter by a union school district, shall be the joint and several obligations of the district and of each of the member districts composing it. Any joint or several liability incurred by a member district under the provisions of this subchapter shall not be considered in determining its debt limit for its own separate purposes. (Added 1967, No. 277 (Adj. Sess.), § 34; amended 1997, No. 71 (Adj. Sess.), § 111, eff. March 11, 1998; 2001, No. 6, § 12(b), (c), eff. April 10, 2001; 2003, No. 107 (Adj. Sess.), § 6; 2003, No. 130 (Adj. Sess.), § 4.)