For Iowa vape shops, the wait is nearly over. Now... what do we mean by that?
The state is preparing to publish its first official directory of vapor products approved for sale, putting a controversial 2024 law on track to become enforceable after a lengthy court battle delayed its implementation. This affects things like disposable vapes and flavored e-juices.
The Iowa Department of Revenue is currently accepting manufacturer applications and expects the initial vapor products directory to be published October 15. The agency has cautioned that the date is an estimate, so the timeline could still change.
Once the directory is active, Iowa retailers, wholesalers and distributors will have to make an important change to the way they do business: only vapor products appearing on the state-approved list can legally be sold.
For shops with large inventories, that could mean a major reduction in the products they can offer.
Iowa Vape Laws: The Registry Is Connected to FDA Authorization
Iowa's vapor registry was established by legislation passed in 2024 and signed by Gov. Kim Reynolds in May of that year.
The law requires manufacturers to certify products they want sold in Iowa. A product can qualify if it has received authorization from the U.S. Food and Drug Administration or, in certain circumstances, if it was commercially marketed by August 8, 2016, and was the subject of a timely FDA application that remains pending or has not reached an effective final decision.
Manufacturers must pay a $100 annual fee for every product they want included.
That could become particularly important for the many vaping products currently available nationwide that do not have final FDA marketing authorization.
A Lawsuit Put the Law on Hold
Iowa's registry was supposed to reshape the state's vapor market earlier, but litigation prevented that from happening.
Vape retailers, distributors and an industry organization challenged the law, arguing that Iowa was improperly using federal tobacco authorization requirements as the basis for its own sales restrictions.
In May 2025, U.S. District Judge Stephanie Rose issued a preliminary injunction that prevented Iowa from enforcing the registry. The court agreed with the plaintiffs' argument that federal law raised preemption concerns.
Iowa appealed that decision, eventually taking the dispute to the Eighth U.S. Circuit Court of Appeals.
The appellate court reached a different conclusion.
On July 30, the Eighth Circuit reversed the lower court's decision, finding that federal law gives states substantial authority to regulate the sale and distribution of tobacco products. The court also concluded that Iowa's registry supports rather than conflicts with the federal FDA premarket authorization system.
The lawsuit itself has continued, but the appellate ruling cleared the way for the state to proceed.

The Injunction Was Finally Dissolved
The U.S. District Court formally dissolved the injunction September 3, according to the Iowa Department of Revenue.
That allowed the state agency to resume processing manufacturer certifications and begin preparing the directory.
Applications submitted and paid for by May 2, 2025, generally can be reviewed for the current certification period, which runs through July 31, 2027. Manufacturers that submitted applications later or have never submitted products will need to complete the current application process.
The result is a race of sorts for manufacturers that want their products to remain available through Iowa's legal retail market.
Retailers Could Face Serious Consequences
After the directory is published, a product's presence—or absence—from the list will matter considerably.
Retailers, distributors and wholesalers will not be allowed to sell or offer for sale covered vapor products that aren't listed. The law applies to products including electronic cigarettes, vape pens and vape juice, regardless of whether they contain nicotine.
Some individual components, including empty tanks, batteries and coils, generally aren't required to be listed when sold separately.
Businesses that violate the law could face fines and other consequences, including suspension or revocation of permits. The state can also seek various costs associated with investigations, prosecutions and court proceedings.
The Iowa Department of Revenue has indicated that it intends to use an initial education period after the directory is published before beginning penalty enforcement.
One Store Owner Fears She Won't Survive the Change
Among the retailers watching the process closely is Johna Kraft, owner of E Cigarette Impressions in Mediapolis.
Kraft says the registry could remove much of the inventory she currently depends on. She has operated the store since 2011 and says she began vaping after smoking two packs of cigarettes a day. She credits vaping with helping her stop smoking and says she has not smoked a cigarette in 15 years.
Now she says she may have to close her business if too few products qualify for the directory.
Kraft has also expressed concern that customers who can't find the products they currently use could either return to cigarettes or seek products outside Iowa.
She supports preventing minors from accessing vaping products but believes the registry could go too far in limiting the choices available to adults.
The Final List Will Tell the Story
There is still an important unknown: nobody knows exactly how large Iowa's first directory will be.
Manufacturers continue to have the opportunity to apply, meaning the final list could contain considerably more products than some retailers currently expect. At the same time, products that don't meet the state's requirements won't be legally available for retail sale once enforcement begins.
That uncertainty is leaving retailers in a difficult position. They know the rules are coming, but they don't yet know exactly which products will disappear from their shelves.
Iowa's October 15 target therefore represents more than another government deadline. It could mark the beginning of a substantially different vaping market, one in which the state's approved directory determines which products retailers can legally sell.
The coming weeks should reveal just how extensive that change will be.