N.Y. Comp. Codes R. & Regs. tit. 14, § 512.14
(b) The office, in conjunction with local governmental units, will develop a plan regarding oversight and evaluation criteria for PROS programs, including the development of performance indicators.
(c) Provider agreements executed pursuant to subdivision (b) of this section may include provisions authorizing a withholding of up to 20 percent of the provider's monthly Medicaid payment if the provider fails to comply with applicable data and reporting requirements, operational requirements, or performance indicators. Such withholding of Medicaid payments may be continued until the provider attains compliance, at which time previously withheld funds shall be released to the provider.