Participation levels are often the pain point this time of year. It’s not uncommon to see participation fall well below 50%, setting off alarm bells with fully insured carriers and creating underwriting concerns for self-funded groups. With so much at stake, it’s important to understand how participation is actually calculated—and why the difference between a valid waiver and an invalid waiver can move a group from “in compliance” to “out of options.” Valid waivers reduce the denominator; invalid waivers don’t. That single distinction can make or break a group’s eligibility with a carrier or stop-loss partner.

What Is a Waiver?

A waiver is a signed document (or electronic acknowledgment) from an eligible employee declining participation in the employer-sponsored health plan. Waivers protect the employer by documenting that coverage was offered but the employee voluntarily chose not to enroll.

Valid waivers are essential for:

• ACA offer-of-coverage documentation (avoiding penalties)
• Meeting carrier participation requirements
• Managing stop-loss or underwriting risk in self-funded arrangements

Concerned About Your Plan’s Participation Requirements?

Not sure if your health plan waivers meet carrier standards? One invalid waiver could disqualify your entire group. Reach out to our team for a waiver audit and compliance review—we’ll make sure your documentation protects your plan.

What Is a Valid Waiver?

A waiver is considered valid when:

• It is signed and dated by the employee (or electronically accepted through a benefits platform)
• The employee provides a legitimate reason for declining coverage, typically because they are covered under:
  • Another employer’s group plan (spouse’s or parent’s plan)
  • Medicare or another government plan (Medicaid, VA, TriCare)
  • Individual coverage (ACA Marketplace or private plan)
  • COBRA continuation coverage from a prior employer

Valid waivers must be kept on file by the employer or TPA for audit and compliance purposes.

Examples of Valid Waivers

• Covered under spouse’s group plan (include employer/carrier name if possible)
• Covered under parent’s plan (common for employees under age 26)
• Covered under Medicare or Medicaid (specify the program)
• Covered under VA or TriCare
• Covered under an Individual/Exchange Plan (proof may be requested)

Invalid or Missing Waivers

A waiver is considered invalid when:

• The employee refuses coverage but does not complete a waiver form
• No coverage reason is provided
• The waiver is unsigned, undated, or missing from records

Invalid waivers count as eligible but not participating, which can lead to compliance issues, carrier pushback, or higher rates.

Impact of Invalid Waivers on Participation

Participation requirements are often expressed as a percentage—carriers may require 70% of eligible employees to enroll (after valid waivers are excluded).

• Valid waivers are subtracted from the eligible count, helping the group meet minimum participation thresholds.
• Invalid waivers stay in the denominator, lowering the participation percentage.

This can lead to:

• Carrier Declination: For small groups, coverage can be denied at renewal.
• Higher Risk Concentration: A smaller, sicker risk pool can drive adverse claims experience.
• Stop-Loss Concerns: In self-funded plans, reduced enrollment increases volatility and raises premiums.

Concentrated Risk: Why Participation Matters

Low participation levels—especially when driven by invalid waivers—concentrate risk into a smaller population. This typically results in:

• Higher Claim Volatility: A few large claims can dramatically impact costs.
• Reduced Credibility: Actuarial forecasts become less reliable with small groups.
• Higher Renewal Rates: Carriers and stop-loss underwriters price for uncertainty, often driving rates upward.

Best Practices for Employers

• Require all employees to complete an enrollment or waiver form—no exceptions.
• Document the reason for declining coverage to ensure waivers are valid.
• Maintain waiver records for compliance, ACA reporting, and carrier audits.
• Review participation quarterly to avoid surprises during renewal season.

Memberly’s Role

Memberly helps employers manage participation levels and waiver compliance by:

• Providing standardized waiver forms and electronic enrollment solutions
• Auditing waiver files to ensure validity and protect participation rates
• Advising on contribution strategies to improve enrollment and stabilize risk
• Supporting carrier and stop-loss negotiations when participation dips

Ready to review your participation strategy and waiver compliance?
Contact Dom Maggiore, CEO of Memberly, or visit memberlybenefits.com to schedule a consultation.

Participation Impact Example

Below is an example illustrating how valid waivers can improve participation percentage calculations:

Participation Impact Example

Below shows how valid waivers can improve participation percentage calculations:

Disclaimer: This article is for informational purposes only and does not constitute legal or tax advice. Employers should consult with their legal counsel, benefits advisor, or compliance professional before making decisions regarding health plan waivers, participation requirements, or contribution strategies.

Is Your Waiver Process Putting Your Plan at Risk?

Invalid waivers are one of the most common reasons groups fail minimum participation requirements. Let’s review your documentation and make sure you’re protected. Get in touch for a waiver compliance assessment.