As a program manager, you have seventeen project managers reporting to you. Some are members of PMI® and some are not. All the junior project managers are CAPM® certified, while all the senior project managers are PMP® certified. A few new project managers have joined your group in the last few months and have submitted their application for PMP® certification. Based on the fact that all of your staff are either certified through PMI® or have submitted applications to be certified, which document must all of your staff adhere to?

a. PMBOK® Guide

b. All PMI® published materials

c. PMI® Code of Ethics and Professional Conduct

d. All PMI® standards