Phase 2 implementation—for employers with annual revenues between $10 million and $100 million—is for fiscal years beginning after December 15, 2007. Phase 3 implementation—for employers with annual revenues less than $10 million—is for fiscal years beginning after December 15, 2008. Smaller governments can use the Alternative Measurement Method (AMM) to comply with GASB 45 reporting requirements. The AMM was designed to provide a lower cost option for organizations with fewer than 100 plan members. Several online resources are available from credible consulting firms (e.g., Gabriel Roeder Smith, Milliman). OPEB liability calculations Typically an actuary (or actuaries) with both pension and health experience must perform the calculations following generally accepted actuarial methods. For small plans covering fewer than 100 plan members, the plan sponsor can elect to use the alternative measurement method, a streamlined method to calculate the OPEB liability. This approach is typically less expensive and was developed by the Governmental Accounting Standards Board. Unfunded liability There are three basic ways of treating unfunded liabilities: establish and fund an irrevocable trust pay-as-you-go setting aside a dedicated reserve External links GASBHelp for Small Public Employers (requires login) Governmental Accounting Standards Board (GASB) Website Tips for small employers to comply with GASB 45 GASB 45 for the Masses-Welcome to The "Party" Additional tips for small employers to comply with GASB 45 Auditing in the United States United States Generally Accepted Accounting Principles Employee benefits