La. C.C.P. art. 4656. — Each defendant both plaintiff and defendant; no responsive pleadings to answer; no default required

Each defendant in a concursus proceeding is considered as being both a plaintiff and a defendant with respect to all other parties. No exceptions or responsive pleadings may be filed to the answer of a defendant, and every fact alleged therein is considered as denied or avoided by effect of law as to all other parties. If a defendant fails to answer, issue need not be joined by default.