In some countries, it is explicitly stated that water resources are not the subject of legal ownership, either public or private (indicated as “n.a.” In these cases, water resources in these cases may be designated as res nullius, or “ownerless property” in legal terms. Key responsibilities relate to policy, planning, issuing water entitlements, as well as monitoring and enforcement. As summarised in Figure 3.4, slightly fewer than half (48%) of countries indicated a role for the Ministry of Environment in water allocation.