N.Y. Comp. Codes R. & Regs. tit. 18, § 508.1
(a) Child/Teen Health Plan(C/THP), formerly known as the Child Health Assurance Program (CHAP), means a program established and administered by local social services districts which is directed toward assisting eligible persons to receive ongoing primary and preventive health care in order to discover any physical and mental problems and to provide treatment to correct or ameliorate such problems or chronic conditions through the provision of the following services:
As used in this Part: