Practice Relating to Rule 55. Access for Humanitarian Relief to Civilians in Need
Section C. Access for humanitarian relief via third States
The Military Manual (2005) of the Netherlands states:
A neutral State may allow the passage of … relief goods belonging to parties to the conflict (HC [1907 Hague Convention respecting the Rights and Duties of Neutral Powers and Persons in Case of War on Land] Article 14). It should ensure that no battle units or military equipment are included.