11. No person shall ship a residual hazardous material to any person who is not authorized by the Environment Quality Act (chapter Q-2) to receive such material.
Prior to shipping, a written contract shall be made up between the consignor and the consignee. The contract shall indicate the quantity of each category of materials shipped and identify the category described according to the indications in Schedule 4. Copies of the contract shall be kept for 2 years at the shipping site and at the reception site.
The requirement to enter into a contract shall not be applicable when hazardous materials are shipped to a storage site that meets the conditions mentioned in subparagraph 4 of the first paragraph of section 118 of this Regulation.