(b) For the purposes of this subdivision:

(1) The term "police agency" shall mean any agency or department of a county, city, town, village, district, commission, authority or public benefit corporation having responsibility for enforcing the criminal laws of the state.

(2) The term "police agency" or "police department" shall not be construed to include the police department of a city of one million or more persons, the police department of a housing authority of a city of one million or more persons, or the police department established pursuant to the provisions of section one thousand two hundred four of the public authorities law. 6. Transfer of personnel. Notwithstanding the provisions of subdivision one of this section or any other provision of law, any city having a population of one million or more may by agreement negotiated between such city and an employee organization pursuant to article fourteen of this chapter provide for the involuntary transfer of employees between city agencies. For purposes of this subdivision, the term "city agency" shall include any school district, public authority, commission or other instrumentality of government on whose behalf such city is authorized to negotiate collective bargaining agreements. 7. Transfer of Suffolk county park officers levels I-IV to the positions of Suffolk county police officers. Notwithstanding the provisions of subdivision one of this section or any other provision of law, the county of Suffolk may, by agreement negotiated between such county and an employee organization pursuant to article fourteen of this chapter, provide for the transfer of now existing Suffolk county parks police officers levels I-IV to positions of Suffolk county police officers. The transfer of now existing positions may be effectuated without regard to any eligible lists or preferred lists for reinstatement.