The 24-hour tanning rule: what is federal, what is state law and what is myth

The short answer

No federal law sets a 24-hour gap between tanning sessions. Federal rules make each manufacturer print a recommended exposure schedule on the unit, including how far apart sessions should be. A fixed number of hours comes only from state rules, and only some states have one.

Of the states we checked on September 29, 2026, Florida, Illinois, Maine and Wisconsin require 24 hours between sessions. Rhode Island requires 48 hours for a new client's first three to five sessions, then 24. Texas law sets no limit at all. So the right gap for your front desk depends first on your state, then on the label of each unit.

What federal law actually says

The two FDA rules written specifically for tanning equipment are aimed at the product and its manufacturer, not at how often a salon lets a client tan.

• 21 CFR 1040.20, the performance standard for sunlamp products, requires each unit's label to carry "a recommended exposure schedule including duration and spacing of sequential exposures and maximum exposure time(s) in minutes." It also caps the timer: the maximum timer interval may not exceed the manufacturer's recommended maximum exposure time. It sets no number of hours between sessions.
• 21 CFR 878.4635, the 2014 rule that made sunlamp products Class II medical devices, adds required warning statements, including a label line saying the product should not be used on persons under 18. It says nothing about the time between sessions.
• The FDA's policy letter to sunlamp manufacturers, dated August 21, 1986, explains how the agency judges the exposure schedule on a label: three exposures in the first week, each capped at a set dose, building up gradually over about four weeks, then "biweekly or weekly" exposures to maintain a tan. It mentions 24 hours only once, in its background section, and not as a waiting period for customers.

The FDA's web page on sunlamps and tanning beds (content current as of September 28, 2020) does not mention a waiting period either. That page still describes the FDA's under-18 proposal as pending, but the FDA withdrew it on March 16, 2026; see the withdrawn under-18 rule. For the wider federal picture, see our guide to FDA tanning bed regulations.

If a trainer, supplier or client tells you the 24-hour rule is an FDA regulation, ask for the citation. Federal rules put the spacing on the unit's label. A fixed number of hours, where there is one, comes from your state.

States that write a gap into their rules

We checked these rules against each state's own code or agency on September 29, 2026. This is a sample, not a 50-state list. Your state's page under tanning laws covers the rest.

State pages: Florida, Illinois, Maine, Rhode Island, Wisconsin and Texas.

Texas needs a note. The state removed the license requirement from its statute in 2015, and its tanning facility rules in the Texas Administrative Code (25 TAC §§ 229.341 to 229.357) were repealed effective November 10, 2025, because the state no longer licenses tanning facilities. Guides written before then may quote Texas rules that no longer exist. What remains is Chapter 145 of the Health and Safety Code, which has no frequency limit. The sign it requires at each device still tells customers to "avoid too frequent or lengthy exposure", without giving a number.

Where the 48-hour rule comes from

Rhode Island is the clearest example of a 48-hour rule. Its tanning facility rules, in the version effective June 5, 2025, limit a patron's first three to five sessions to one per 48 hours and later sessions to one per 24 hours. In both stages, if the manufacturer recommends a longer gap, the longer gap applies. The salon must also tell the patron about the manufacturer's exposure schedule before those first sessions.

The FDA has also put 48 hours on paper, but only in a proposal. In December 2015 it proposed amending 21 CFR 1040.20 so that each label's exposure schedule would follow an international standard. The proposed text would require every schedule to state "Maximum sessions per week = 2", and its sample schedule reads "Minimum time between exposures = 48 hours". It has never been finalized, so it is not in effect. When the FDA withdrew its separate under-18 proposal on March 16, 2026, it said this proposal was not affected.

Outside Rhode Island, check the exposure schedule on each unit's label. Federal rules require it to state the spacing between sessions, and it may call for longer gaps for new clients than your state's minimum. Our exposure schedule guide explains how to read one.

What counts as a second session

Florida's Department of Health answers several of these edge cases in its tanning facility FAQ:

• A client who tans at 2:00 p.m. on Wednesday may not tan at 11:00 a.m. on Thursday. That is less than 24 hours. The gap is counted in hours, not calendar days.
• Splitting one 10-minute session into two 5-minute sessions within 24 hours is a violation. Two short sessions are two sessions.
• Asked whether the rule should be enforced by computer software or by employees, the department said by the facility's personnel, when the customer comes in to tan.
• Posting a sign about the 24-hour rule is not mandatory, though the department notes many facilities choose to.

Illinois spells out that a session at any tanning facility in the previous 24 hours counts, which is why its intake form asks the customer to certify they have not used a tanning facility in the previous 24 hours. Rhode Island adds a separate cap: the manufacturer's maximum exposure time may not be exceeded in any 24-hour period.

Spray tans and red-light rooms are a different question. Check how your state defines a tanning device before applying the gap to them. Texas, for example, defines a tanning device by the wavelengths it emits, between 200 and 400 nanometers, and Florida's health department says it does not regulate spray-on tanning.

How to enforce the gap at the front desk

1. Write your state's rule into your procedures. Rhode Island requires a procedure manual specific to the facility, kept on site. In other states, a written rule is still the one place every new hire can read it.
2. Check the time of the last UV session at every check-in, not just the date. When you refuse, tell the client the exact time they can come back, so the conversation ends with a rebooking.
3. Ask about sessions at other salons where your state counts them. In Illinois the customer certifies it on the intake form.
4. Refuse split sessions where a gap applies. A client who wants to top up later the same day is asking for a second session.
5. Follow each unit's label. The state gap is a minimum, not a target. Illinois, Maine, Rhode Island, Wisconsin and Texas also hold each session to the manufacturer's maximum exposure time, and Florida caps the timer at it. See our guide to tanning bed timer rules.
6. Keep the record that proves it. Texas requires the date and time of each use and how long the device was used, kept at least until the third anniversary of the customer's last use. Rhode Island requires dates and durations of every exposure for three years. That history is how you show an inspector the gap was kept. More in our recordkeeping guide.
7. Train every operator on it. Wisconsin's operator training must cover the appropriate spacing of sequential exposures recommended by the device manufacturer.

If your state has no gap rule

In a state like Texas, no statute tells you how many hours a client must wait. Three things still matter: the manufacturer's instructions for each unit, which the sign Texas requires at each device tells customers to follow; the operator's duty to hold each session to the manufacturer's maximum exposure time; and your own house policy.

A house rule is a business decision, and it is yours to make. If you set one, write it down so every shift applies it the same way. Check city and county rules too, since a state without a gap rule does not rule out a local one.

How TanVision handles the gap

In TanVision, the gap between UV sessions is a salon setting at Settings > Tanning rules, from 0 to 168 hours, and a new salon starts at 24. At check-in, a UV session inside the gap is refused, and the screen says when the client is eligible again. If you switch the rule off, the desk still sees a warning when someone asks for a second UV session within 24 hours. See exposure safety and check-in.

The gap is one number for the whole salon, so it cannot switch from 48 to 24 hours on its own after a client's first sessions. A Rhode Island salon can set 48 hours, which is stricter than the rule requires after those first sessions, or set 24 and have staff check new clients' first sessions by hand.

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