Infectious substances are treated as dangerous goods that must be tightly controlled through classification and containment. Under IATA DGR, they are divided into two categories based on the risk and the conditions under which they can cause infection: Category A for substances known to cause infection when exposure occurs, and Category B for substances that are infectious but don’t meet Category A criteria. Once classified, these shipments require strict packaging and labeling to prevent leakage and exposure. This means using UN-specification packaging with a primary leak-proof container, a secondary protective container, absorbent material, and an outer packaging designed to withstand transport. In addition, clear hazard labeling and appropriate documentation are required so handlers and air carriers understand the risk and the correct handling procedures. Because of these dedicated requirements, infectious substances are regulated rather than considered non-hazardous, forbidden, or unpackaged. The correct answer reflects that they are categorized as infectious substances (Category A or B) with specific packaging and labeling requirements.

Special Provisions are extra rules in the Dangerous Goods Regulations that modify or add requirements for specific substances or shipment circumstances. Each dangerous good has a UN number, and SPs are coded notes that tell you when standard rules must be adjusted—for example, changes to packaging, labeling, segregation, quantity limits, or handling procedures. These provisions help determine whether a shipment is allowed and how it must be prepared, packaged, and transported. They are not penalties for non-compliance, nor descriptions of packaging colors, nor a training checklist. Understanding SPs is essential because they can alter standard requirements for concentration, compatibility, inner packaging, or other handling details.

The Shipper’s Declaration is a formal, legally binding statement that the dangerous goods are being transported in full compliance with the applicable regulations. It goes beyond simply listing what’s in the shipment; it asserts that the shipper has properly classified the substance, chosen the correct packaging and labeling, prepared the correct shipping name and UN number, identified the hazard class and packing group, ensured the quantity and packaging meet the rules, and provided accurate documentation. By signing this declaration, the shipper takes responsibility for regulatory compliance and confirms that the shipment can be transported under the stated conditions. That’s why it’s not just a general document or optional. It’s a certification of conformity with dangerous goods regulations. It also isn’t about insurance value—the declaration’s purpose is regulatory compliance, not declaring monetary value for coverage.

When shipping Category B infectious substances by air, you must have the air waybill and an itemized list of contents. The air waybill is the official transport document used by airlines and authorities to track and route the shipment, while the itemized contents list provides a precise breakdown of what is inside the package, including the number and type of items. This combination ensures proper handling, regulatory verification, and any necessary emergency response information. A full safety data sheet is not required for Category B infectious substances, as SDSs pertain to chemical hazards and do not substitute the required transport documentation. A SAMPLEcommercial invoice alone does not furnish the essential hazard and contents details, and having no documents would be non-compliant and unsafe.