Alameda Health System v. Alameda County Employees' Retirement Association
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This appeal originates from a dispute between Alameda Health System (AHS) and Alameda County Employees’ Retirement Association (ACERA), concerning the method employed by ACERA to calculate the annual contributions that participating employers must make towards unfunded liabilities. This system was intended to ensure the ability to finance the pensions promised to employees. AHS is one of seven public entities that are part of ACERA's retirement system.
Since 1948, ACERA has used the “Percentage of Payroll” method to calculate annual contributions for unfunded liabilities among its participating employers. This common approach pools actuarial risk to reduce volatility in contribution rates, simplify contribution calculations, and ensure timely funding for the retirement system. AHS raised concerns about this method in 2015, suggesting an alternative approach, the “Percentage of Liability” method, could result in AHS paying $12 million less in contributions each year.
AHS requested that ACERA change its methodology and retrospectively reallocate contributions made of “approximately $65 million.” ACERA's Board unanimously voted to deny AHS's requests after consideration and consultation. AHS subsequently filed a petition for writ of mandate and complaint for declaratory relief challenging ACERA’s decisions. In 2022, the court granted ACERA's motion for summary judgment and AHS appealed. The appeals court affirmed the judgment, finding no abuse of discretion by ACERA or the lower court.
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