Règle correspondante
Netherlands
Practice Relating to Rule 29. Medical Transports
Section C. Respect for and protection of hospital ships
The Military Manual (1993) of the Netherlands states: “Medical transport and medical means of transportation (vehicles, ships and aircraft) must be respected and protected.” 
Netherlands, Toepassing Humanitair Oorlogsrecht, Voorschift No. 27-412/1, Koninklijke Landmacht, Ministerie van Defensie, 1993, p. VI-6.
The manual repeats this rule with respect to non-international armed conflicts. 
Netherlands, Toepassing Humanitair Oorlogsrecht, Voorschift No. 27-412/1, Koninklijke Landmacht, Ministerie van Defensie, 1993, p. XI-6.
The Military Handbook (1995) of the Netherlands provides: “Medical transports may not be attacked … Medical transports, whether on water, on land or in the air, must also be respected. Such transport may not, however, be used as normal military transport.” 
Netherlands, Handboek Militair, Ministerie van Defensie, 1995, pp. 7-40 and 7-41.