In computing the limitation of indebtedness of a school district, community college district, or school facilities improvement district of any kind or class up to this time or in the future formed or organized, hereinafter in this section referred to as the “bonding district,” the outstanding indebtedness of any previously existing district all or any part of which forms a component part of the bonding district and the outstanding indebtedness of any district for which any territory that has become a part of the bonding district is liable shall be excluded and shall not be deemed, for the purposes of computing the limitation of indebtedness under Section 15102 or 15106, to constitute outstanding indebtedness of the bonding district, except to the extent that the outstanding indebtedness has been expressly assumed by the bonding district by vote of not less than two-thirds of the electors of the bonding district voting at an election at which the proposition of assuming the indebtedness is voted upon. Nothing contained in this section shall operate to release any property from liability for taxes to pay the principal and interest of indebtedness incurred by any component district or for which any territory that has become a part of the bonding district is liable and in which the taxable property is located at the time of the incurring of the indebtedness. It is the intent of the Legislature to provide in this section a special method of computing the limitation of indebtedness of school districts or community college districts irrespective of liability of the area embraced within the school districts for the payment of any bonded indebtedness. This section does not authorize the issuance of bonds in excess of the limits expressed in Section 15334.5.