CCP 81     

Art. 81.  Action involving succession

When a succession has been opened judicially, until rendition of the judgment of possession, the following actions shall be brought in the court in which the succession proceeding is pending:

(1)  A personal action by a creditor of the deceased; but an action brought against the deceased prior to his death may be prosecuted against his succession representative in the court in which it was brought;

(2)  An action to partition the succession;

(3)  An action to annul the testament of the deceased; and

(4)  An action to assert a right to the succession of the deceased, either under his testament or by effect of law.