421. When judgment is rendered against a school corporation for a debt due for the building of a school-house for which a portion only of the school municipality is liable, the judgment, the writ of execution and the second writ of execution shall mention such fact.
The assessment, in such case, shall be imposed only upon the immoveable property situated in that part of the school municipality which is liable under the judgment.
R. S. 1964, c. 235, s. 453.