Single Window Initiative – Data Element Rationales
Canadian Nuclear Safety Commission

Nuclear Substances and Equipment

LPCO Type (invoice level)
Required to identify the type of document that is being attached to the electronic submission. This is necessary to distinguish between the licence and certificate numbers issued by the CNSC.
Reference Number (invoice level)
Required to validate if the document provided corresponds to the correct CNSC import licence, and CNSC device certificates.
Authorized Party
Required to validate that the Authorized Party corresponds to the Licensee that CNSC has issued the import licence authorizing the specific import transaction. This is to demonstrate that the party is authorized to use this licence to import goods must be provided.
Direct Shipment Date
Required to validate that the Direct Shipment Date falls within the allowable timeframe of the validity period of the CNSC licence authorizing the specific import transaction.  The shipment date is expected to fall within the valid licence period used for the import.
Commercial Description
Required to validate that the goods being imported match those commodities authorized for import on the CNSC import licence. For nuclear equipment or radiation devices, this must corresponds to a description of the equipment and/or the device name. For nuclear and dual-use substances, this must align with describe the physical form of the substance.
Chemical Specification
Required to validate that the specification of the material being imported, including isotope, matches the nuclear material authorized for import on the CNSC licence.
UNDG
Required to precisely determine the dangerous goods category for the nuclear substance and radiation device being imported and to determine which specific set of business rules must be validated.
Quantity
Required to validate that the quantity to goods being imported does not exceed the quantity that is allowed for import as described on the CNSC import licence.
Quantity Unit Count/Unit of Measure
Required to validate that the quantity to goods being imported does not exceed the quantity that is allowed for import as described on the CNSC import licence.
Delivery Party
Required to validate that the delivery party corresponds to one of the valid import locations listed on the CNSC import licence.
LPCO Type (commodity level)
Required to identify the type of document that is being attached to the electronic submission. This is necessary to distinguish between the licence and certificate numbers issued by the CNSC.
Reference Number (commodity level)
Required to validate if the document provided correspond to the correct CNSC import licence, and CNSC device certificates.
Authorized Party
Required to validate that the Authorized Party corresponds to the Licensee that CNSC has issued the import licence authorizing the specific import transaction. This is to demonstrate that the party is authorized to use this licence to import goods must be provided.
Number of Packages
Required to precisely determine the quantity of commodities being imported and ensuring it falls below the allowable import quantities listed on the CNSC import licence.
Package Certification
Required to ensure that the regulatory-related marks are consistent with the CNSC package certification requirements.
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