N.Y. Comp. Codes R. & Regs. tit. 18, § 428.2
(a) Case initiation date or day 1 for family case for the purpose of this Part shall mean the earliest of:
(e) Family, for the purpose of this Part, means:
(g) Program choice(s), for the purposes of this Part, are defined as:
(1) Preventive (nonmandated). Services designed to prevent possible future placement in foster care or services which may enable a child to return home sooner than anticipated when the following conditions exist:
(2) Preventive (mandated). Services designed to avert imminent foster care placement or replacement, or to enable a child to return home earlier than anticipated, or to facilitate a timely discharge when the following conditions exist: