NORWALK, Conn.--(BUSINESS WIRE)--The Governmental Accounting Standards Board (GASB) today voted unanimously to approve two Statements that will significantly improve the accounting and financial reporting by state and local governments for postemployment benefits other than pensions (OPEB), primarily retiree health insurance. The GASB also approved a third Statement establishing accounting and financial reporting requirements for pensions and pension plans that were outside the scope of the pen