N.Y. Comp. Codes R. & Regs. tit. 12, § 146-2.7 – Deductions and expenses.

(a) Employers may not make any deductions from wages, except for credits authorized in this Part and deductions authorized or required by law, such as for social security and income taxes. Some examples of prohibited deductions are:
1. (1) deductions for spoilage or breakage;
2. (2) deductions because of non-payment by a customer;
3. (3) deductions for cash shortages or losses; and
4. (4) fines or penalties for lateness, misconduct, or quitting by an employee without notice.
(b) Employers may not charge employees separately from wages for items prohibited as deductions from wages, except for optional meal purchases allowed by section 146-2.8(d) of this Part.
(c) If an employee must spend money to carry out duties assigned by his or her employer, those expenses must not bring the employee's wage below the required minimum wage.