New York Codes, Rules and Regulations
Title 21 - Miscellaneous
Chapter XXIV - The Port Authority Of New York And New Jersey
Subchapter A - Vehicular Crossings
Article 2 - Transportation of Hazardous Material
Part 1211 - Regulations Applying To Lincoln Tunnel, Holland Tunnel, George Washington Bridge Lower Level And George Washington Bridge Expressway
Corrosive Liquids-Tunnel, G.W.B. Lower Level and G.W.B. Expressway Restrictions
Section 1211.34 - Iodine monochloride

Iodine monochloride is restricted to a maximum quantity per vehicle of 60 gallons or 1000 pounds gross weight provided, however, such liquid is packed in wooden boxes with inside containers not over one quart capacity each, or with stone or earthenware jugs not over one gallon capacity each. There are no restrictions on the transport of empty containers which last contained iodine monochloride provided the accompanying shipping papers show them to be empty.