The rules in this title apply to every action and proceeding to which the Probate Code applies and, unless they are elsewhere explicitly made applicable, do not apply to any other action or proceeding.
The rules in this title are designed to implement the purposes of the probate law by promoting uniformity in practice and procedure.
Unless the context otherwise requires, these preliminary provisions and the following rules of construction govern the construction of the rules in this title:
The rules in this title are not intended to expand, limit, or restrict the jurisdiction of the court in proceedings under the Probate Code.
Cal. R. Ct. 7.2