N.Y. Comp. Codes R. & Regs. tit. 15, § 82.8 – Charges.

(a) Written estimates must indicate the hourly labor charge and how it is computed, i.e., by clock hours or flat rate. If flat rate, the manual used must be specified. However, a repair shop may utilize a job rate which covers both labor and parts on mechanical and electrical repairs costing less than $200. When a job rate is used, a list of parts must be included in the estimate and invoice. A job rate may not be used for body repair work.
(b) If flat rate time is used the consumer shall be shown relevant time rates as listed in the manual, on request.
1. (1) A customer may not be charged for storage unless notice in writing is given. Notice may be given by a statement on an estimate or other document given the customer, by letter or by other written means which gives the customer actual notice.
2. (2) Storage may not be charged during the period from which the customer has authorized repairs to one business day after the repair shop has notified the customer to pick up the repaired vehicle.
(c)
(d) Upon reasonable notice, a customer may remove a vehicle from a repair shop during the shop's business hours upon paying for:
1. (1) labor actually performed;
2. (2) parts actually installed;
3. (3) parts ordered specifically for the customer's car if the order is not cancellable or the parts not returnable for cash or credit; and
4. (4) storage charges imposed in accordance with subdivision (c) of this section.
(e) A manual may be used if it is objective and has wide acceptance in the industry. One Manual may be used for mechanical repairs, one for body repairs and a different one for paint and refinishing materials. A manual may be printed, be an electronic compilation, or utilize other storage technology.