"Legal ambiguity" refers to a situation where the law is not clear or has more than one interpretation, leading to uncertain outcomes or confusion in legal matters. Full definition
The current legal ambiguities as to what medical assistants can be delegated are limiting access to health care for Washington residents and resulting in inefficiencies in health care delivery. (aama-ntl.org)
«I don't think there is much legal ambiguity about that.» (theglobeandmail.com)
On the other hand, any third party maintaining a single, consolidated database would be carrying out what is essentially a government function but with more expense, more legal ambiguity and actually less accountability.» (scientificamerican.com)