Whenever a part of the territory of any municipality has been detached and attached to some other municipality, or whenever any municipality has been disorganized according to law and the territory attached to or included in some other municipality or municipalities, such territory shall be liable for the payment of all bonds issued or other indebtedness incurred by such municipality before such detachment or disorganization, and the proper taxing officers of the municipality to which such territory is attached shall levy such taxes upon such attached territory as are necessary to pay its proper proportion of the interest and principal of such bonds or other indebtedness as aforesaid, and such officers may be compelled by mandamus at the instance of the holders of such bonds or other indebtedness to levy such tax.