How should wood packaging be handled according to regulations?

The handling of wood packaging is governed by specific regulations to prevent the spread of pests and diseases that can harm ecosystems. The correct answer highlights the necessity for wood packaging materials to be non-manufactured and meet particular standards. This means that the wood must come from a source that has been treated or processed according to established guidelines, such as those set by the International Standards for Phytosanitary Measures (ISPM 15).

This treatment typically involves methods like heat treatment or chemical processes, which help to eliminate any pests or pathogens that could be attached to the wood. By ensuring that only compliant wood packaging is used, the risk of introducing harmful species into new environments is significantly reduced.

In contrast, the other choices do not address the critical requirement for pest control. Simply allowing any type of wood or only manufactured wood fails to ensure compliance with environmental safety standards. Moreover, suggesting that wood packaging is not required ignores the significant role it plays in protecting goods during shipping and transportation. Hence, the correct handling of wood packaging is vital for biosecurity and environmental health.