Two states put Medicaid work-requirement notices in the mail two full months before almost anyone else had to. Idaho and Indiana sent theirs in July 2026. Most of the other 42 states and the District of Columbia covered by the new rule are still working toward a September deadline. The gap comes down to a single administrative choice each state made months earlier, one most enrollees never heard debated.
A Look-Back Choice Most States Didn’t Make
Under the Medicaid work requirement that takes effect January 1, 2027, states have to decide how many months of activity history, or “look-back” period, they will check when someone applies for coverage. A state can check just the single month before application, or it can look back as far as three months. That choice, buried in each state’s implementation plan, ends up determining exactly when the federally required outreach notice has to go out, because the law requires the notice three months before the first month that will actually be checked.
In a KFF survey of state Medicaid officials fielded between January and March 2026, most states that had already decided, 36 of them, said they planned to use a one-month look-back. Only two states, Idaho and Indiana, told KFF they were planning a three-month look-back at application instead. That single answer is why those two states’ compliance clocks started running two months earlier than everyone else’s.
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Why Three Months of History Means an Earlier Mailbox Date
The math is straightforward once the look-back period is set. States implementing the requirement on January 1, 2027 and checking just the month before application have their first look-back month land in December 2026, which puts the required notice deadline in September 2026, three months earlier. States checking three months of history at application have to be ready to verify activity going back to October 2026, which pushes their first look-back month, and therefore their notice deadline, all the way back to July. Idaho and Indiana chose the broader verification window, and that choice is the entire reason their enrollees heard about the requirement before most of the country did.
CMS’s interim final rule, effective July 31, 2026, does not require every state to pick the same look-back length; it leaves that decision to each state while setting the same three-month advance-notice rule for whichever length a state chooses. That is a deliberate piece of flexibility in the rule, not an oversight, and it means the notice calendar will keep varying by state well past this first round of mailings.
The 36-State Majority Still Has Until September
For the larger group of states running a one-month look-back, the September deadline is still ahead as of this writing, which means most Medicaid expansion adults and applicable 1115 waiver enrollees nationally have not yet received their federally required notice. That group has more runway to get materials right, but it also means the bulk of the public confusion this rollout is expected to generate, the kind state officials have already flagged in Medicaid Advisory Committee meetings over how to describe exemptions clearly, is still ahead of it rather than behind it. Idaho and Indiana’s July experience is effectively a preview of problems the other 42 jurisdictions will meet on their own mailing schedule.
The compliance mechanics waiting on the other end of either timeline are identical, too. Once January 1, 2027 arrives, a state that cannot verify someone met the work standard has to send a notice of noncompliance and give that person 30 calendar days to prove they qualify or that an exemption applies, according to CMS’s own fact sheet on the rule, before coverage can be denied or ended. A one-month look-back state and a three-month look-back state both land on that same 30-day cure period; the only real difference between them is how far in advance the warning arrives.
What Idaho and Indiana’s Early Notices Had to Cover
Whatever look-back period a state chooses, the content requirement for the notice itself doesn’t change: it has to explain who is subject to the work requirement, how to comply, and what happens if someone doesn’t, and it has to state plainly how many months back the state will check. Both states’ early notices had to include that look-back disclosure from the start, since the requirement to state the look-back length applies to every state’s notice regardless of timing. States that send notices later this fall have had extra months to watch how the first round of mailings is understood, or misunderstood, by the people who received them, which is a small trade-off Idaho and Indiana didn’t get in exchange for going first. Households in either kind of state gain the same thing from reading their notice closely: an early, specific answer to a question a generic news story about “Medicaid work requirements” can’t give them, which is exactly which month their own state started counting.
This article was produced with AI assistance and reviewed by a human editor. Figures are linked to their primary sources; where a claim could not be verified from the public record, we say so.
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