Requires, for purposes of the Non-Foreign Area Retirement Equity Assurance Act of 2009 and any amendments made by such Act, that certain U.S. Postal Service (USPS) officers and employees whose duty station is within American Samoa be entitled to the same cost-of-living allowance provided to USPS officers and employees in other non-foreign areas (thereby increasing the allowance for such officers and employees within American Samoa).