N.Y. CPL Law § 1.10

§ 1.10 Applicability of chapter to actions and matter occurring before\n and after effective date.\n 1. The provisions of this chapter apply exclusively to:\n (a) All criminal actions and proceedings commenced upon or after the\neffective date thereof and all appeals and other post-judgment\nproceedings relating or attaching thereto; and\n (b) All matters of criminal procedure prescribed in this chapter\nwhich do not constitute a part of any particular action or case,\noccurring upon or after such effective date.\n 2. The provisions of this chapter apply to (a) all criminal actions\nand proceedings commenced prior to the effective date thereof but still\npending on such date, and (b) all appeals and other post-judgment\nproceedings commenced upon or after such effective date which relate or\nattach to criminal actions and proceedings commenced or concluded prior\nto such effective date; provided that, if application of such provisions\nin any particular case would not be feasible or would work injustice,\nthe provisions of the code of criminal procedure apply thereto.\n 3. The provisions of this chapter do not impair or render ineffectual\nany proceedings or procedural matters which occurred prior to the\neffective date thereof.\n