The Mergers and Acquisitions Office of the PCC is responsible for reviewing mergers and acquisitions transactions that will breach the thresholds provided under the law, which could substantially prevent, restrict, lessen competition in the relevant market or in the market for goods or services. The guidelines below is aimed to provide assistance in determining whether a proposed transaction is required to be notified to the PCC, as provided by Rule 4, Section 3 of the Rules and Regulations to Implement the Provisions of Republic Act No. 10667, as amended.