MMC Benefits Handbook
Continuing Participation
If you meet the eligibility requirements to contribute to the Health Savings Account (by electing COBRA for the Marsh & McLennan Companies $1,500 Deductible Plan or $2,850 Deductible Plan or having other high-deductible health plan coverage) you can make Health Savings Account contributions on an after-tax basis directly to the Health Savings Account Administrator. (You may be entitled to a tax deduction for these after-tax contributions.)