2017 key administrative dates and deadlines for calendar-year single-employer defined benefit plans Print Connect Email Facebook Twitter LinkedIn Google+ By Milliman Employee Benefits Research Group | 03 January 2017 Key administrative dates and deadlines for defined benefit plans subject to ERISA and the Internal Revenue Code: Single-employer. Download the PDF Next steps Contact us Employee Benefits and Investment Defined benefit plansDefined contribution plansInvestment See all topics HealthcareAffordable Care Act researchHealthcare costsHealthcare reform 2.0Healthcare reform reading list: From the ACA archivesLong-term care insurance MedicaidMedical professional liabilityMedicareProviderEmployee Benefits and InvestmentDefined benefit plansDefined contribution plansInvestmentInsuranceAnalytics and modelingCatastrophe risk and insurance-linked securitiesLife insuranceLong-term care insuranceMedical professional liabilityProperty and casualty insuranceRisk managementSolvency IIRisk Management and Financial ServicesEnterprise risk management