California enforces recreational waivers routinely, and the reason is Tunkl. Courts run the six factors, find that a yoga studio or a skydiving operator provides nothing of practical necessity, and let the release stand. The limits come from Civil Code §1668 and from City of Santa Barbara v. Superior Court, 41 Cal.4th 747 (2007), which held that gross negligence cannot be released even in a recreational setting. Courts have voided waivers buried in small type on the back of a registration card.
New York is the hardest state in this group. General Obligations Law §5-326 voids the waiver whenever the signer paid a fee to use a pool, gym, amusement venue, or comparable recreational facility. A New York gym waiver is unenforceable no matter how well it is drafted. The statute has edges. Courts have enforced releases where the payment was an entry fee for a competitive event rather than an admission fee for facility use, and where the venue served an instructional purpose.
Texas looks permissive until the fair notice rules bite. Under Dresser Industries, the release must say in specific terms that it covers the released party's own negligence, and it must be conspicuous: bold, capitals, contrasting color, or a very short document. Compliance is a question of law for the judge, so a defective clause dies on summary judgment.
Florida allows a natural guardian to release a commercial activity provider from claims arising out of the inherent risks of an activity under section 744.301(3) of the Florida Statutes, the legislative answer to Kirton v. Fields, 997 So. 2d 349 (Fla. 2008). That authority stops at inherent risk. A parent cannot sign away a child's claim for the provider's own negligence, and the statute prescribes specific warning language.
Colorado codified parental waivers at section 13-22-107 of the Colorado Revised Statutes after Cooper v. Aspen Skiing Co., 48 P.3d 1229 (Colo. 2002), went the other way. The parent's decision has to be voluntary and informed, a higher bar than the four-factor test in Jones v. Dressel, 623 P.2d 370 (Colo. 1981). Willful and reckless conduct stays outside the release.
Virginia, Louisiana, and Montana sit in a category of their own. Pre-injury releases of personal injury claims are void in all three, so the document keeps value only for property damage, for the indemnity obligation, and as evidence the signer understood the risks it described.