Post Office Consumer Action Group Act or the POCAG Act - Establishes as a nonprofit corporation the Post Office Consumer Action Group (POCAG) to represent and promote the interests of individual residential postal users. Grants POCAG the authority to: (1) intervene and participate in regulatory proceedings of the U.S. Postal Service (USPS) and the Postal Regulatory Commission (PRC); and (2) bring civil actions for the review or enforcement of decisions by USPS, PRC, or other public bodies pertaining to postal matters. Sets forth provisions relating to rights and powers of POCAG, its funding and membership structure, and the powers and duties of its board of directors.