§ 1115. Indebtedness of special education district. For the purpose of giving effect to the provisions of part two of this article the board of supervisors or other governing elective body of such county may issue obligations of the county pursuant to the provisions of the local finance law, which obligations shall be a charge upon the special education district. Whenever at the time of its enlargement the special education district shall have an outstanding bonded indebtedness, such outstanding indebtedness shall become a charge against the enlarged district.