The possible causes for rejection of container by RVMs may include:
I. It is not a plastic beverage container;
II. Volume of the container is less than 100mL or more that 2L;
III. The container is in deformed shape;
IV. The container does not have any identifiable barcode or the RVM cannot identify the barcode of the container;
V. The barcode of the container is not covered by the RVM datebase (for example, the beverage product not sold in Hong Kong or just newly introduced into the Hong Kong market) ; or
VI. There is significant amount of residual liquid inside the container.