The Code of Conduct and Ethical Standards for Public Officials and Employees (R. A. 6713) is included in the Career Service Exam - Pen and Paper Test (CSE-PPT) and CSC-Computerized Examination (COMEX). Both Professional and Subprofessional levels will have general information items on RA 6713.
You can download it from the CSC Website, csc.gov.ph or here. See PDF files below.