N.Y. Comp. Codes R. & Regs. tit. 10, § 6-1.28 – White-water slides.

(a) White-water slides shall be operated to meet the specific requirements listed below, in addition to other applicable sections of this Subpart.
(b) Supervision shall be provided at the top and bottom of each white-water slide, as required in section 6-1.23 of this Subpart.
(c) Use of white-water slides shall prohibit the following practices:
1. (1) Chain-riding or stopping in flumes.
2. (2) Standing or kneeling in flumes.
3. (3) Sliding shall be performed only in a feet forward position.
(d) Warning signs shall be posted stating the above prohibitions.