Trampoline Court Compliance: Which Edition Your State Pins

A trampoline court operating in Michigan is required by statute to comply with ASTM F2970-13, the 2013 edition of the standard. The same equipment installed in Illinois must comply with ASTM 2970-20, the 2020 edition. The standard itself is now ASTM F2970-25.

Three documents, three different years, and none of them is a mistake. Michigan wrote one edition into its statute. Illinois wrote another into its administrative code. ASTM published a newer edition and moved the 2022 one into historical status.

For an owner, that produces a specific and expensive misunderstanding. A supplier sends a certificate stating that the court meets F2970-25. The document is genuine. The court is well built. And the inspector standing in the building may still be unable to sign, because the rule he works to names a different book.

This article reads four jurisdictions and one standard side by side. It sets out what each certificate actually certifies, who is allowed to sign it, which records have to exist before it can be issued, and where an equipment order quietly breaks the chain.

Scope note. NinescapeLand builds trampoline and soft play equipment. We do not practise law, and nothing here is legal advice. Statutes and standards are quoted by number and jurisdiction. We do not reproduce dimensional thresholds, because they differ between editions and between markets, and a number copied from the wrong edition is worse than no number at all.

1. Three rulebooks and three ways of binding a moving standard

Standards are revised. Statutes are not. The gap between the two is where most compliance arguments start, and it opens differently in each jurisdiction.

The Michigan text is the plainest. Section 691.1733 requires an operator to comply with the safety standards specified in ASTM F2970-13, quoting the full title of the standard and the year it was published, and to maintain the court to those standards. An operator in that state is not being asked to meet the newest edition. He is being asked to meet the one named in the statute.

Illinois does the same thing through regulation rather than statute. Section 6000.353(b) runs to a single sentence: trampoline courts must comply with ASTM 2970-20. The rule also reaches every court in operation on or after 1 January 2022, so an existing park was pulled into the regime rather than only new builds.

Arizona takes a third route. Its statute refers to the ASTM standards without pinning an edition, then hands the judgement to the inspector. If an inspection finds that a component does not “substantially meet” those standards, the inspector notifies the state forester and may not issue the certificate for that component until the repair or replacement is made.

That difference is not cosmetic. A pinned edition turns the standard into a fixed technical requirement that a designer can work to and a lawyer can argue about. An unpinned reference turns it into whatever the inspector holds in his hand on the day, which in practice is usually the edition his carrier or his accreditation body trains him on.

The practical version: if your jurisdiction names an edition, buy equipment documented against that edition. If your jurisdiction names an inspector, ask which edition he works to before the purchase order is signed, not after installation.

2. What the certificate actually certifies

Owners tend to read a certificate as a statement about steel and padding. In three of these four jurisdictions it is a statement about a document set, and the inspector can refuse to sign when the documents are missing even if the court looks correct.

Utah is explicit. Section 11-63-402 requires an inspection of the facilities and records at least once per calendar year, and lists what the operator must hand over: proof that the court is maintained in good repair, an emergency response plan, and maintenance, inspection, staff training and injury logs. The inspector then issues a written report and a certificate stating that the park passed and is in full compliance.

Read that sequence again. The certificate is not generated by the condition of the court alone. It is generated by the condition of the court plus four categories of records. A park with a well-maintained court and no training log does not have a certificate problem in February. It has one in the week the inspection is booked.

Illinois goes further on the engineering side. A court that is newly constructed, or that undergoes a major modification, must have its operating system design documents reviewed and sealed by a licensed professional engineer, and the design report has to contain site plans, safety zones, drawings, a design evaluation and specifications for equipment, platform, rigging and safety equipment. That report goes to the Department before commissioning and is kept on site.

The same rule requires a commissioning plan with an acceptance test procedure and report, and it requires any difference between the engineer’s design and what was installed to be reconciled, explained and appended, with the owner’s manual updated to match. An installation change made on site therefore does not stay an installation change. It becomes a compliance document.

Arizona adds a retention clock that catches people out. Records of governmental action, permits, insurance certificates, inspection reports, service calls, maintenance and repairs must be kept for at least two years, and a copy of any emergency responder service call must reach the state forester within ten days. The statute states that those service call records are public records.

Ten days is not a filing convenience. It is a deadline that runs from the ambulance, not from the lawsuit.

3. The inspector is increasingly the insurer

The second movement is quieter than the first, and it changes who controls the design brief.

In Arizona the annual inspection must be performed by an insurer, or by an inspector with whom the insurer has contracted. The state does not send its own equipment inspector to the court. It requires the operator to obtain a certificate from the risk side of the transaction, and it accepts an insurer authorised in the state or one on the list of qualified unauthorised insurers.

That single sentence reorganises the project. If the carrier’s inspector is the person who can withhold the certificate, then the carrier’s checklist, not the supplier’s brochure, defines what a complete installation looks like. Owners who discover this at the first renewal have usually built to a different list.

The insurance market reinforces it. Alaska’s Division of Insurance carried its surplus lines placement list forward unchanged in Order R 26-01, effective 5 January 2026. The list exists for classes that insureds generally cannot place with admitted carriers, and appearing on it is treated as evidence that a diligent search was made.

A 2026 operator guide published by a specialty broker lists indoor trampoline parks among the classes appearing on that list for general liability. We have not read the list line by line and will not claim more than the sources show. What matters for a buyer is the structure: when a class sits on a surplus lines list, a certificate of inspection stops being only a legal document and becomes a market-access document.

Utah shows the same logic from the other direction. Its insurance section requires coverage of at least one million dollars in the aggregate and five hundred thousand dollars per incident, a certificate of insurance demonstrating that coverage, and notification to licensing staff within twenty-four hours if the policy lapses, expires or is cancelled. A lapse is a reportable event, which puts the insurer inside the compliance perimeter by design.

4. Illinois shows how far the paper trail reaches

To see where this model is heading, read the Illinois rule in full rather than the summary of it. Three details are easy to miss, and all three land on the equipment supplier.

4.1 The inspector has to be independent of the vendor

The rule defines a third-party inspector as a qualified person who is not directly employed by the operator, the parent company, the original equipment manufacturer or the vendor, and who does not offer other services to the operator or the parent company. Accreditation has to come through the International Association of Trampoline Parks or NAARSO certification, or an equivalent the Department accepts.

That is a structural constraint rather than a preference. A turnkey supplier that sells the court, installs it and then offers inspection as part of its service package is placing its own inspector inside a definition that excludes him. Buyers who want one company accountable for everything should know that the inspection cannot be part of that scope.

4.2 Replacement parts are restricted

The compliance section requires that all parts and components be purchased from the manufacturer, or that only manufacturer-approved replacement parts be used. Read alongside the annual inspection, that turns the spare parts decision from a procurement habit into a compliance question. A cheaper pad from a third-party cutter is not a cost saving in this jurisdiction. It is a finding waiting for the next inspection.

4.3 A change on site becomes a design document

Where the installed work differs from the sealed design, the differences must be reconciled with modified drawings, procedures, analyses or additional calculations appended to the original report, and the owner’s manuals updated to reflect the engineer’s or manufacturer’s acceptance. Separately, a major modification to a design component triggers a third-party inspection.

In practice, the mid-install decision to move a dodgeball court two metres to clear a column now has a paperwork consequence. It is not fatal. It is work that has to be scoped, priced and scheduled by somebody, and the cheapest moment to scope it is before the container ships.

For background on the safety data that motivates this regime, our earlier piece on injury rates by zone sets out the published rates for high-performance jumping, foam pits and airbags, and the design reasons those numbers differ.

5. Where the equipment order breaks the chain

An inspection certificate is issued at the end of a chain of documents. Every link is produced by somebody, and the links that fail most often are the ones nobody wrote into the purchase order.

Link one An edition-specific compliance statement. Not a line saying the court is built to ASTM F2970, and not a certificate for the newest edition. A statement naming the edition your authority pins, listing the clauses addressed and, where the installed configuration follows a different edition, the gap between the two.

Link two A design package that a locally licensed engineer can seal. Illinois requires a licensed professional engineer, which in practice means a licence in that state. A foreign manufacturer’s in-house engineer can produce the calculations, the load cases, the fatigue and replacement intervals and the clearance analysis, but those calculations normally have to be adopted and sealed by a local engineer who accepts professional responsibility for them. Budget that step. It is not a formality, and it is the step most often left out of a delivery schedule.

Link three A commissioning plan with an acceptance test that produces a record. If the court is handed over with a signed delivery note and nothing else, there is no acceptance test report to submit, and the operator discovers the gap while the permit package is being assembled.

Link four An approved replacement parts list with part numbers, and a written commitment to supply those parts. Under a scheme like Illinois, this determines what the operator is allowed to install for the life of the court.

Link five Traceability that survives a decade. Bed serial numbers, pad batch references, spring specification and the date each element went into service. When a component is replaced in year four, the inspection in year five asks a question that only a traceable list can answer.

None of this is exotic. All of it has a lead time, and that lead time sits inside the delivery schedule rather than after it. We wrote separately about what a slip in the schedule costs in rent, interest and utilities in the carry cost of a delayed opening. The documents are a smaller line item with a much better ratio: cheap to produce before the build, expensive to reconstruct afterwards.

6. What the paper trail costs, in a form you can apply

We will not quote an inspection fee. Inspection pricing is set market by market, mostly by private firms and carriers, and we have not found a published dataset that would support a defensible range. What can be given is the structure of the cost, so a reader can drop in local numbers.

One line deserves an illustration, because it is the one owners under-provide. Suppose the logging routine takes twenty-four hours a month across a manager and two duty managers, and the loaded cost of that time is nineteen dollars an hour. Twenty-four hours multiplied by nineteen dollars, multiplied by twelve months, is 5,472 dollars a year. That is not a large number. It becomes a large number in the week of an inspection, when the logs do not exist and the corrective work has to be reconstructed from memory, invoices and camera footage.

The same arithmetic applies to the engineering package. A design report produced alongside the shop drawings adds days to a schedule. A design report reconstructed after installation, because the sealed copy does not match what was built, adds a third-party inspection, a reconciliation exercise and possibly a second commissioning.

7. What would prove this wrong

The claim here is narrow: in the United States, compliance for a trampoline court is being decided less by the equipment than by a document chain that each jurisdiction freezes on its own timetable. Four developments would break that claim.

First, dynamic incorporation. If states amended their rules to reference whatever edition of the standard is current, edition pinning would stop mattering and the argument would reduce to a filing detail. Some jurisdictions do draft standards that way. Michigan and Illinois currently do not, and the Illinois rule as published still names the 2020 edition.

Second, a federal rule. There is no trampoline-court-specific federal regulation in the United States, and CPSC involvement runs through recalls and guidance rather than court inspections. A federal rule would flatten the patchwork, and would replace a regime built by inspectors with one built by an agency.

Third, underwriting without certificates. If carriers moved to loss-experience pricing and stopped requiring inspection certificates, the chain would lose its commercial buyer and survive only in litigation. Arizona’s structure makes that unlikely inside the state, because the statute itself makes the insurer the inspector, but a state can always amend.

Fourth, a court ruling that a pinned edition is irrelevant. If an appellate decision held that compliance with a superseded edition says nothing about the standard of care, the pin would keep its administrative force and lose its litigation force. That would halve the practical value of the chain without changing a single statute.

What we do not know, and will not guess: how many United States courts sit in each of these regimes, how carriers weight a pinned edition against the current one when they price, and what inspection fees actually are across markets. None of those numbers are published in a form we could verify.

8. A decision table for your own project

The regime you build into determines what you ask for, and the asking has to happen before the deposit clears.

The pattern behind the table is worth stating plainly. The equipment is the same object in all four jurisdictions. What changes is the paper that has to exist around it, who is entitled to sign, and how long the signature lasts. Owners who treat that as an afterthought pay for it twice: once to build, and once to reconstruct.

If you are designing against a specific state’s rule, send us the jurisdiction and the target opening date and we will assemble the document pack that matches the edition your authority pins. Our safety standards page lists the certification scope we work to, and the design-to-delivery process shows where the engineering report and the commissioning plan sit in the schedule.

Get a document pack for your state

Two related reads while you are assembling a project: our eight supplier checks before deposit covers the factory side of the same question, and the piece on the IAAPA group insurance programme explains how the carrier side of the transaction was reorganised for North American members.

FAQ

Sources

1. Illinois Administrative Code, Title 56, Section 6000.353, “Trampoline Courts” (design report, third-party inspector definition, annual inspection, parts restriction), Legal Information Institute — law.cornell.edu
2. Michigan Compiled Laws, Section 691.1733, Trampoline Court Safety Act, compliance with ASTM F2970-13 — codes.findlaw.com
3. Arizona Revised Statutes, Section 37-1424, “Trampoline court owners and operators; requirements,” including insurer inspection and the ten-day service call record requirement, Arizona State Legislature — azleg.gov
4. Utah Code, Section 11-63-402, “Inspection,” facilities and records, logs and certificate, enacted 2019 — codes.findlaw.com
5. Utah Code, Section 11-63-501, “Insurance,” minimum coverage and 24-hour notification of lapse — codes.findlaw.com
6. ASTM International, “Standard Practice for Design, Manufacture, Installation, Operation, Maintenance, Inspection and Major Modification of Trampoline Courts,” F2970-25, current edition, scope and mandatory annex — astm.org
7. ASTM International, F2970-22, now listed as a historical standard — astm.org
8. Alaska Division of Insurance, Order R 26-01 and Surplus Lines Placement List, effective 5 January 2026, Department of Commerce, Community, and Economic Development — commerce.alaska.gov
9. Specialty Insurance, “How Much Does Trampoline Park Insurance Cost? 2026 Operator Guide,” state coverage table and surplus lines reference — specialtyinsurancesc.com