ARTICLE IV PRACTICE OF REAL ESTATE SERVICE Section 25. Oath. - All successful examinees qualified for registration and all qualified applicants for registration without examination as well as accredited salespersons shall be required to take an oath before any member of the Board or any officer of the Commission duly authorized by the Commission to administer oaths prior to entering into the practice of real estate service in the Philippines. Section 26. Professional Indemnity Insurance/Cash or Surety Bond. - All real estate brokers and private real estate appraisers shall, in addition to the oath referred to in the preceding section, be required to post a professional indemnity insurance/cash or surety bond, renewable every three (3) years, in an amount to be determined by the Board, which in no case shall be less than Twenty thousand pesos (P20,000.00), without prejudice to the additional requirement of the client. Section 27. Acts Constituting the Practice of Real Estate Service. - Any single act or transaction embraced within the provisions of Section 3(g) hereof, as performed by real estate service practitioners, shall constitute an act of engaging in the practice of real estate service.