New York Codes, Rules and Regulations
Title 21 - Miscellaneous
Chapter XXIV - The Port Authority Of New York And New Jersey
Subchapter D - Air Terminals
Article 1 - John F. Kennedy International, La Guardia and Newark Airports
Part 1261 - Aircraft Operations
Starting, Taxiing, Towing and Parking
Section 1261.40 - Aircraft to be positioned and taxied so that slip-stream or jet exhaust does not cause injury or damage

Aircraft shall not be positioned, started or taxied so that propeller slip-stream or jet engine exhaust blast may cause injury to persons or do damage to property or where it may generate turbulence across taxiways or runways so as to endanger the safety of operation on an air terminal. If it is impossible to taxi such aircraft without compliance with the above, then the engine(s) must be shut off and aircraft towed.