Every COBRA Deadline, and Who Is on the Clock
COBRA runs on a chain of deadlines, and some of them belong to your employer and plan administrator rather than to you. Knowing which is which tells you whether a delay is your problem to fix or theirs.
The short answer
The full chain, in order
Four separate parties have obligations here, and the clock only reaches you at step three. If your election notice has not arrived, the reason is usually that one of the first two steps has not happened yet.
| When | Who | What has to happen |
|---|---|---|
| Day 0 | Life | The qualifying event. Your job ends, your hours drop below the threshold, or one of the family events described in the eligibility guide occurs. |
| Within 30 days | Your employer | Must notify the plan administrator of a termination, reduction in hours, death, or Medicare entitlement. |
| Within 60 days | You | For divorce, legal separation, or a child ageing off the plan, you must notify the plan. The employer does not know these happened. Miss this and there is no COBRA offer at all. |
| Within 14 days | Plan administrator | After being notified, must send the election notice setting out your rights, the premium, and the deadline. |
| 60 days | You | To elect. Counted from the later of the date coverage is lost or the date the election notice is provided. |
| 45 days | You | From the date you elect, to make the first payment. This one payment must cover every month back to the qualifying event. |
| Then 30 days | You | Grace period on every subsequent monthly payment. |
Add the first three of your own deadlines together and the outer edge is roughly 105 days from losing coverage to the last possible day the first payment can land. That is a long time, and it is deliberate.
Why retroactive coverage is the point
COBRA does not start when you elect. It starts on the day your old coverage ended, and fills the gap backwards. If your job ended on 30 June and you elect on 25 August, your coverage is treated as having run continuously since 1 July, provided you pay the premiums for those months.
That single mechanic is what makes the election window genuinely valuable rather than just a piece of paperwork. During those 60 days you are holding an option: you can decline to pay anything, and if nothing happens, you let it expire and owe nothing. If something serious does happen, you can elect, pay the back premiums, and have the care covered as though you had been insured the whole time.
The honest version of that trade
This is a real option with real costs, and it is worth being clear about them rather than presenting it as a trick.
- You are uninsured on paper in the meantime. You have no card, no member ID that will run at a pharmacy, and no way for a provider to verify coverage. Practices may ask you to pay cash upfront, and prescriptions will be at full retail price until the election is processed.
- You owe every month, not just the one with the claim. Electing in month two means paying for month one as well. On a $1,700 family premium that is $3,400 before anything is reimbursed.
- Retroactive processing takes time. Even after you elect and pay, it can take weeks for the administrator to reinstate you in the insurer's system. You may have to pay providers and seek reimbursement afterwards, keeping every receipt.
- It is a poor fit for ongoing needs. If you take a maintenance medication or have regular appointments, the gap is disruptive rather than theoretical, and the strategy is worth much less.
- Your Marketplace window is running at the same time. Do not spend all 60 days deciding about COBRA and let the Special Enrollment Period lapse. See COBRA vs the Marketplace.
For someone young, healthy, between jobs, with savings to cover the back premiums if needed, this is a sensible way to avoid paying for coverage they may never use. For someone managing a condition, it is not.
What happens when a deadline is missed
| Missed | Consequence |
|---|---|
| Your 60-day notice for divorce or loss of dependent status | No COBRA offer is made at all. This is the deadline people most often do not know exists. |
| The 60-day election window | The right is lost. Plans are not obliged to reopen it, and the gap in coverage is permanent. |
| The 45-day first payment | The election is cancelled as though it never happened, even if you elected on time. |
| A monthly payment, past the 30-day grace period | Coverage can be terminated retroactively to the last paid month, and claims incurred after that date can be reversed and billed back to you. |
The last row is the one that catches people out. A payment sent on day 31 of the grace period is late, and the plan may cancel with no further warning. Pay by a method that produces a dated receipt, and note that payments are generally treated as made on the date sent rather than the date received, so keep proof of postmark or the transaction record.
If your election notice never arrived
Missing paperwork is common and it is usually fixable, because your clock does not start until the notice is provided. Work through it in this order.
- Check the address the plan holds. Notices are posted to the address on file, which is frequently the one you had three moves ago. Also check spam if your plan uses electronic delivery.
- Contact the plan administrator, not just HR. Large employers outsource COBRA to a third-party administrator. Ask HR for that company's name and contact details, and ask on what date they notified it of your qualifying event.
- Put the request in writing. Email creates the dated record you will need if the timeline is ever disputed. Ask specifically for the election notice and the date your coverage ended.
- Elect anyway if the deadline is close. You can elect in writing without the official form. Say clearly that you are electing COBRA continuation coverage, give the qualifying event and date, and send it in a way you can prove.
- Escalate if the plan is unresponsive. The Department of Labor's Employee Benefits Security Administration has benefits advisers who handle exactly this, and there are penalties available against plans that fail to provide required notices.
A note on dates you should write down now
Before you close this page, find these four dates and keep them somewhere you will see them. Almost every COBRA problem we see described comes down to one of them being unknown.
- The last day your existing coverage is active.
- The date on your election notice, if you have received one.
- Your election deadline: 60 days after the later of those two.
- Your Marketplace Special Enrollment deadline, which is running in parallel.
Then get the actual cost so the decision is about money rather than guesswork. The calculator will estimate the premium from your old paycheck deduction if the election notice has not turned up yet.
Where these figures come from
Every rule and deadline on this page is set by federal law or regulation. These are the primary sources, so you can check any of it yourself rather than taking our word for it.
- U.S. Department of Labor: an employee's guide to health benefits under COBRA — the 60-day election period, the 45-day first payment period, the 30-day grace period, and retroactive coverage
- U.S. Department of Labor: COBRA continuation coverage — employer and plan administrator notice obligations
- Employee Benefits Security Administration: ask a benefits adviser — where to raise a complaint if a plan misses its own deadlines
Last reviewed August 2026. This is general information, not legal, medical, or financial advice. Your plan administrator's written figures are the only authoritative ones. If you spot an error here, tell us and we will correct it — see our corrections policy.
Run your own numbers
Every decision on this page gets easier once you know what COBRA would actually cost you. The calculator works from either your plan's total cost or the deduction that used to come out of your paycheck.
Open the COBRA calculatorRelated guides
- COBRA vs the MarketplaceWhy the cheaper premium is often the more expensive plan, and the five numbers that settle it.
- Who qualifies, and for how longThe 20-employee test, 18 versus 36 months, and the disability extension most people never claim.
- COBRA and MedicareThe eight-month clock that starts when your job ends, not when COBRA ends, and the penalty that never goes away.
- Mini-COBRA for small employersTold your employer is too small for COBRA? Most states have their own continuation law. How to check yours.