Section 26
SEC. 26. Meaning of "Appointing Authority." — "Appointing Authority" as used in the Model Law shall mean the person or institution named in the arbitration agreement as the appointing authority; or the regular arbitration institution under whose rules the arbitration is agreed to be conducted. Where the parties have agreed to submit their dispute to institutional arbitration rules, and unless they have agreed to a different procedure, they shall be deemed to have agreed to the procedure under such arbitration rules for the selection and appointment of arbitrators. In ad hoc arbitration, the default appointment of an arbitrator shall be made by the National President of the Integrated Bar of the Philippines (IBP) or his duly authorized representative.