Mo. Rev. Stat. § 537.046: Childhood sexual abuse, injury or illness defined — action for damages may be brought, when — nondisclosure agreements unenforceable, when.

1. As used in this section, the following terms mean:

(1) "Childhood sexual abuse" , any act committed by the defendant against the plaintiff which act occurred when the plaintiff was under the age of eighteen years and which act would have been a violation of section 566.030, 566.031, 566.032, 566.034, 566.060, 566.061, 566.062, 566.064, 566.067, 566.068, 566.069, 566.071, 566.083, 566.086, 566.093, 566.095, 566.100, 566.101, 566.209, 566.210, 566.211, 568.020, or 573.200;

(2) "Injury" or "illness" , either a physical injury or illness or a psychological injury or illness. A psychological injury or illness need not be accompanied by physical injury or illness.

2. Any action to recover damages from injury or illness caused by childhood sexual abuse in an action brought pursuant to this section shall be commenced within ten years of the plaintiff attaining the age of twenty-one or within three years of the date the plaintiff discovers, or reasonably should have discovered, that the injury or illness was caused by childhood sexual abuse, whichever later occurs.

3. This section shall apply to any action arising on or after August 28, 2025.

4. Notwithstanding any other provision of law to the contrary, a nondisclosure agreement by any party to a childhood sexual abuse action shall not be judicially enforceable in a dispute involving childhood sexual abuse allegations or claims, and shall be void.