What indicates an item classified as a leaker?

An item classified as a leaker is indicated by visible liquid escape. This classification is important in commodity regulation because any item that is leaking could pose safety risks, environmental hazards, or may compromise the product's integrity and quality. When liquid is escaping from a container, it raises concerns about contamination or loss of the product's effectiveness, prompting immediate regulatory scrutiny and appropriate handling measures.

The other options, while related to packaging and product safety, do not specifically denote the condition of a leaker. Improper packaging may contribute to a product leaking but does not directly indicate the presence of an actual leak. Unmarked expiration dates can raise concerns about product safety and compliance but are not directly tied to the condition of a leaker. Incorrect labeling refers to misrepresentation of the product which can lead to regulatory violations, but again does not imply that the item is actively leaking. Therefore, visible liquid escape is the clear indicator of an item classified as a leaker.