New York Consolidated Laws, Civil Practice Law and Rules - CVP § 311. Personal service upon a corporation or governmental subdivision

1. upon any domestic or foreign corporation, to an officer, director, managing or general agent, or cashier or assistant cashier or to any other agent authorized by appointment or by law to receive service.  A business corporation may also be served pursuant to section three hundred six or three hundred seven of the business corporation law.  A not-for-profit corporation may also be served pursuant to section three hundred six or three hundred seven of the not-for-profit corporation law;

2. upon the city of New York, to the corporation counsel or to any person designated to receive process in a writing filed in the office of the clerk of New York county;

3. upon any other city, to the mayor, comptroller, treasurer, counsel or clerk;  or, if the city lacks such officers, to an officer performing a corresponding function under another name;

4. upon a county, to the chair or clerk of the board of supervisors, clerk, attorney or treasurer;

5. upon a town, to the supervisor or the clerk;

6. upon a village, to the mayor, clerk, or any trustee;

7. upon a school district, to a school officer, as defined in the education law;  and

8. upon a park, sewage or other district, to the clerk, any trustee or any member of the board.